Aqua Ultraviolet Ultima II Series User manual

42371 Avenida Alvarado
Temecula, CA 92590
TOLL FREE [phone]
TEL [phone]
FAX [phone]
www.aquauv.com
Aqua Ultraviolet
Ultima II Filter Instruction Manual
(For Units Up To 30,000 Gallons)
Register your Ultima II Filter by using the attached warranty card
or
go online to aquauv.com
Visit our website at aquauv.com to see the Ultima II operation video
See us on YouTube
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AQUA ULTRAVIOLET 42371 AVENIDA ALVARADO, TEMECULA, CA 92590 TEL: [phone] FAX: [phone]

AQUA ULTRAVIOLET 42371 AVENIDA ALVARADO, TEMECULA, CA 92590 TEL: [phone] FAX: [phone]
TABLE of CONTENTS
Introduction ...................……………………………………………………………………………………
Sizing Chart ………………………………………………………………………………………………...
Recommended Pond and Aquarium Layout …………………………………………………………….
Ultima ll Installation Instructions ..…………………………………………………………………………
Valve Settings ……………………………………………………………………………………………....
Maintenance ....................................................................................................................................
Correct Installation ...............………………………………………………………………………………
Frequently Asked Questions ...……………………………………………………………………………
Aqua Ultraviolet Product Line ......................…………………………………………………………….
Parts List .....................…………………………………………………………………………………….
Trouble Shooting ...…………………………………………………………………………………………
Important Info / Warranty ........……………………………………………………………………………
Warranty Continued ......……………………………………………………………………………………
THIS SECTION CAN BE USED FOR NOTES:
1
2
3
4-6
7
8-11
12
13
14
15
16
17
18

ULTIMA II FILTERS 1,000 - 30,000 GALLON UNITS
AQUA ULTRAVIOLET 42371 AVENIDA ALVARADO, TEMECULA, CA 92590 TEL: [phone] FAX: [phone]
Ultima II 4,000
20 1/2" Dia. x 38" Tall
Ultima II 6,000
22 1/2" Dia. x 42-3/4" Tall
Ultima II 10,000
24 1/2" Dia. x 43-3/4" Tall
Ultima II 1,000
14" Dia. x 23-1/2" Tall
Ultima II 20,000
30 1/2" Dia. x 48" Tall
Ultima II 30,000
32 1/2" Dia. x 53" Tall
Ultima II 2,000
16 1/2" Dia. x 33" Tall

We at Aqua Ultraviolet would like to take the time to thank you for purchasing the finest filtration system on the market.
For over twenty years, Aqua Ultraviolet has manufactured filtration systems which are in use in many different fields
and industries such as aquariums, aquaculture, public and commercial aquariums, educational institutions, government
agencies, commercial and research organizations throughout the world.
Aqua Ultraviolet Ultima II Filters were created with our customers comfort in mind. Our patented backwash system takes
just a few minutes a week and does not require draining a sludge valve or opening the filter. Within a few short weeks
your filters bacterial bed will be fully established, and with our scientifically designed media you can be assured it will be
well protected. So sit back and enjoy your pond again, courtesy of Aqua Ultraviolet.
HOW FILTRATION WORKS
Biological and mechanical filtration are essential to every pond, without it ammonia from the accumulated fish waste
would harm your fish. The bacterial bed that builds on filter media will nitrify any ammonia in your pond making it a
healthier environment for your aquatic life. Mechanical filtration picks up any debris in the pond, keeping your pond
healthier and your fish happier.
HOW ULTIMA II BIO-MECHANICAL FILTRATION EXCELS
Bio-Mechanical filtration depends on the establishment of a colony of bacteria on the surface of the media that converts
dissolved toxic nitrogenous waste to harmless compounds. When the bacteria are given the proper
environment, they grow in a thin biofilm on the surface of each piece of media. The larger the surface area,
the larger the bacterial colony. Our media surpasses the competition in this area with four to seven times the
surface area of any other media available.
In order for the Ultima II filter to perform Bio-Mechanical Filtration the media must first establish itself enough to handle
the load of dissolved ammonia presented to it. Depending on the temperature this can take 2-4 weeks for your filter to
establish itself in your pond environment (this varies depending on climate, weather conditions, fish load and feed rates).
Until the colony has grown large enough, the pond owner MUST be responsible for monitoring the levels of ammonia
and nitrates in the pond water and take the appropriate measures to correct dangerously high levels.
CAUTION: READ ALL INSTRUCTIONS CAREFULLY BEFORE BEGINNING INSTALLATION OR OPERATION.
The following instructions should answer most of the questions that you may have about the installation, operation and
use of your new Aqua Ultraviolet Ultima II Filter. If you should need technical support, we offer this service for free by
email to [e-mail] or by telephone [phone], or by fax [phone] M-F 8:00
am - 4:30 pm Pacific Standard Time except selected holidays. You may reach us through the web at www.aquauv.com.
Please view the Ultima instructional video at www.aquauv.com.
1
AQUA ULTRAVIOLET 42371 AVENIDA ALVARADO, TEMECULA, CA 92590 TEL: [phone] FAX: [phone]
INTRODUCTION

SIZING CHART
Note: A gauge reading of 0-10 is normal operating pressure. If the gauge reads over 20, call technical support.
*CAUTION: DO NOT EXCEED MAXIMUM OPERATING PRESSURE OF 20PSI for Ultima 1,000s and
38PSI for 2,000 - 30,000 models.
Note: Maximum operating pressure for an Ultima 2,000 thru 30,000 Top Mount is 38PSI.
Note: Maximum operating pressure for an Ultima 1,000 is 20PSI.
UItima Models
Ultima - 4,000
Standard BAF
Rev 10.0109
20,000 GPH 24,000 GPH
1,000 GPH at 10’ of head
2,000 GPH at 10’ of head
4,000 GPH at 10’ of head
6,000 GPH at 10’ of head
7,500 GPH at 10’ of head
7,500 GPH at 10’ of head
7,500 GPH at 10’ of head
15,000 GPH at 10’ of head
20,000 GPH at 10’ of head
24,000 GPH at 10’ of head
Ultima - 1,000
Ultima - 2,000
Ultima - 6,000
Ultima - 10,000
Ultima - 20,000
Ultima - 30,000
Professional Units
Side Mount - 30,000
Side Mount - 60,000
1,200 GPH
2,500 GPH
4,500 GPH
7,500 GPH
7,500 GPH
7,500 GPH
7,500 GPH
20,400 GPH
20,400 GPH
Max Flow
500 GPH
1,000 GPH
2,000 GPH
3,000 GPH
5,000 GPH
7,000 GPH
7,000 GPH
10,000 GPH
15,000 GPH
Min Flow
500 to 1,000 gals
1,000 to 2,000 gals
2,000 to 4,000 gals
4,000 to 6,000 gals
6,000 to 10,000 gals
10,000 to 20,000 gals
20,000 to 30,000 gals
20,000 to 30,000 gals
30,000 to 60,000 gals
60,000 to 100,000 gals
Pond/Tank Size
In Gallons
Optimal Flow
Pump Recommendation
1 1/2” or 2”
1 1/2” or 2”
1 1/2” or 2”
2“
2”
2”
2”
3“
3“
6“
Valve
Inlet/Outlet
AQUA ULTRAVIOLET 42371 AVENIDA ALVARADO, TEMECULA, CA 92590 TEL: [phone] FAX: [phone]
2
Ultima II Filters 1,000, 2,000, 4,000, and 6,000 Models
Do not proceed with your lter installation if your lter and pump ow don't match, If you
choose to oversize your Ultima II Filter you must upgrade the pump to match it.
*For example: If you have a 2,000 gallon pond and are using an Ultima ll 4,000 Filter the pump you
choose must be rated at 4,000 gallons per hour at 10 feet of head pressure.
Ultima ll Filters 10,000, 20,000, and 30,000 2" Models
On these Ultima ll lter 2" Models the pump must be rated at 7,500 gallons per hour at
ten feet of head pressure.
If you have any questions please call technical support toll free 1-800-454-2725 or 1-951-296-3480
email [e-mail]

RECOMMENDED POND LAYOUTS
3
RECOMMENDED AQUARIUM LAYOUT
AQUA ULTRAVIOLET 42371 AVENIDA ALVARADO, TEMECULA, CA 92590 TEL: [phone] FAX: [phone]
Pickup on the bottom of one side
of the tank and return to top of the
opposite side of the tank.
Pick Up
Return
Waste
Ultima II Filter
Aqua UV
Sterilizer
Pickup on the bottom
of one end of the pond
and return on the opposite
end at the top for optimum
circulation.

4AQUA ULTRAVIOLET 42371 AVENIDA ALVARADO, TEMECULA, CA 92590 TEL: [phone] FAX: [phone]
CAUTION: The filter should be installed no more than 6 feet above pond water level, on a level surface, very
firm ground, or equivalent, as recommended by your dealer. Position the filter so that the piping connections,
unions, control valve, and winter drain are convenient and accessible for operation, service and winterizing (if
needed). Additional teflon tape may be needed on unions.
NOTE: For Ultima II 4,000 models and up, pour the media inside the filter, which is loaded through the top opening of
the filter.
NOTE: For 1,000 and 2,000 Filters skip to plumbing the filter, these filters come with media inside.
1. Installing The Media
A. Cap internal standpipe with plastic cap to prevent media from entering it (See 1A).
NOTE: Do not pour media into standpipe or filter will fail under operation.
HINT: If you can not find the cap or cardboard for the install you can use a cup
to cover the standpipe.
B. Carefully pour in correct amount of media into filter, as supplied. (See 1B)
NOTE: Check to confirm that the standpipe is centered in the opening of the filter.
C. Remove cap from stand pipe.
2. Assemble Valve to Filter
CAUTION: Do not lubricate any part of the Rim, Seals, or O-Ring
A. Loosely pre-assemble the clamp with one screw and one nut,
turning the nut 2 or 3 turns. (See 2A)
ULTIMA II INSTALLATION INSTRUCTIONS
1A
1B
2A
Cardboard Cap (Do Not Discard)

5
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ULTIMA II INSTALLATION INSTRUCTIONS CONTINUED
B. Place valve O-ring around valve base. (See 2C)
C. Insert Filter valve into the tank neck taking care that the center pipe and
bottom of the valve fit together. Place clamp around valve flange and tank
flange. Insert second screw and nut into the clamp. Position the valve so the
instructions are easily read and the handle is accessible.
3. Plumbing the Filter
CAUTION: Teflon tape has been applied to the unions for you. It may be necessary to apply more Teflon tape if
the valve leaks upon installation. DO NOT attempt to use ANY sealant other than Teflon tape, as this can cause
the valve to crack and leak immediately or leak over time. DO NOT over-tighten the unions. HAND TIGHTEN
ONLY, DO NOT USE ANY TOOLS. Please be very careful during installation, valves where unions have been
over-tightened and/or any sealant or putty of any kind has been used, will not be covered under warranty.
A. Attach unions to valve. (See 3A)
B. Once unions have been attached, glue pipe from pressure side of the pump
to slip fitted side of union leading to valve port marked PUMP. (See 3B)
C. Glue return line to pond to slip fitted side of union leading to valve port
marked RETURN. (See 3C)
2C
Center Pipe
T
i
g
h
t
e
n
U
n
i
o
n
3A
Pump In
Filter Out
Waste Out
3B
3C
2B
Valve
O-Ring

6AQUA ULTRAVIOLET 42371 AVENIDA ALVARADO, TEMECULA, CA 92590 TEL: [phone] FAX: [phone]
D. Glue waste line from filter to slip fitted side of union leading to valve port
marked WASTE. (See 3D)
NOTE: Do not reduce size of waste line. Reducing the size of the waste line causes
back pressure and prevents the filter from backwashing.
E. Be sure to place vinyl protector caps over ends of screws. (See 3F)
4. Initial Startup of Filter
CAUTION: TO PREVENT DAMAGE TO CONTROL VALVE SEAL, ALWAYS TURN PUMP OFF BEFORE TURNING
THE HANDLE.
A. Depress control valve handle and rotate to filter position. (See 4A)
B. Prime and start pump according to pump instructions. We recommend direct
drive self priming pumps with all Ultima filters. (Or check with your dealer for
alternative pump, should be high flow.) See Chart on page 2 for pump sizing.
C. Once water flow is steady, check for leaks.
NOTE: Please use appropriate pump for filter size (i.e. If your pond is 2,000 gallons and you buy a 4,000 gallon
filter use 4,000 gallon pump as well).
HINT: Note the initial pressure gauge reading when the filter is clean. (It will vary from pond to pond depending on pump
and general piping system.)
NOTE: During initial clean up of pond water, it may be necessary to backwash frequently due to unusually heavy initial
dirt load in the water. Do not install filter on a pond with heavy algae content (i.e. pea soup). We recommend a water
change if the pond is really dirty. Once that is complete let filter establish for 4 to 6 weeks before backwashing.
ULTIMA II INSTALLATION INSTRUCTIONS CONTINUED
3E
Both
Sides of
Clamp
3F
Protector
Caps
4A
Push Handle
Down First
Rotate to
Desired Position
To Wasteline
To Pond
From Pump
3D

7
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VALVE SETTINGS
Filter
Backwash
Rinse
Waste
Re-Circulate
Closed
Winter
For normal ltration of pond
For cleaning the lter
Second Step in cleaning, also resets lter bed after backwashing
For lowering or draining pond level
For by-passing lter, but circulating water in pond - use when medicating sh
Shuts off ow from pump - Never use this setting with the pump running
Leave on this setting throughout winter if not in use.
Setting Description

8AQUA ULTRAVIOLET 42371 AVENIDA ALVARADO, TEMECULA, CA 92590 TEL: [phone] FAX: [phone]
Winterizing
1. Turn off pump
2. Completely drain tank by unscrewing drain cap at base of filter tank. Leave cap off
during winter.
3. Depress valve handle and rotate to Winter.
This will allow the water to drain from the valve.
Leave valve in this position when not in operation.
4. Startup after winter, install drain cap, take valve off, stir up media, put valve back on, put
handle into backwash position, and turn pump on. Backwash then rinse. Repeat until water runs clear.
PLEASE REALIZE…
Pure clean pond water is a combination of many factors, one is the proper Aqua Ultraviolet UV system, and another is ade-
quate filtration and proper water flow.
Now you can filter any pond, large or small, without a huge expense.
If Your Filter Is Buried
1. Turn off pump
2. Take filter offline by disconnecting unions.
3. Loosen clamp screws and remove clamp.
MAINTENANCE
Push Handle
Down First
Both
Sides of
Clamp

MAINTENANCE CONTINUED
4. Lift filter valve from body, you may need to loosen the valve by working it in a
back and forth motion.
5. Use a Wet/Dry shop Vac with a strainer on the nozzle or submersible pump to
remove the water from the filter. DO NOT REMOVE THE MEDIA.
6. Reattach the valve see page 4 & 5.
7. Depress valve handle and rotate to winter.
This will allow the water to drain from the valve. Leave valve in this position.
Backwashing Your Filter
NOTE: How often you backwash depends on the number of fish, how frequently you feed them and the season. We recom-
mend cleaning once a week. In heavy fish loads like in aquaculture twice a week or more is necessary.
WARNING: Before depressing and turning the valve handle always turn off your pump. Leaving the pump running while
changing valve postistions compromises the seals on your valve and filter. Damage caused by leaving the pump on is not
covered under warranty.
1. Turn pump off.
2. Depress valve handle, rotate to backwash.
3. Turn pump on.
4. Backwash 1 to 2 minutes.
5. Turn pump off.
6. Depress valve handle and turn to rinse.
7. Turn pump on.
8. Rinse about 30 seconds to 1 minute or until sight glass is clear.
9. Repeat steps 1 through 8 for a total of 3 or more times, until the water coming out is clear.
(Backwash and Rinse at least 3 times)
10. Turn pump off.
11. Depress valve handle and turn back to filter this is the normal operating position.
12. Turn pump on. Filter cleaning is complete.
9
AQUA ULTRAVIOLET 42371 AVENIDA ALVARADO, TEMECULA, CA 92590 TEL: [phone] FAX: [phone]
Back
and forth
Motion

10 AQUA ULTRAVIOLET 42371 AVENIDA ALVARADO, TEMECULA, CA 92590 TEL: [phone] FAX: [phone]
How To Clean The Valve
NOTE: When the handle becomes hard to turn or water leaks from the waste port during filter mode the valve will need to be
cleared of lodged debris.
If The Handle Is Hard To Turn
1. Power wash valve setting grooves located on the top portion of the valve.
If Valve Is Leaking From The Waste Port
1. Turn pump off.
2. Place handle in between settings. (Do not place in a groove)
3. Turn pump on and run for a few seconds.
4. Turn pump off.
5. Switch handle to filter setting.
6. Turn pump on. Check if leak has stopped.
(If leak continues go to step 7)
MAINTENANCE CONTINUED
Valve
Settings
Grooves
Filter
Setting
Check
Area

11
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MAINTENANCE CONTINUED
How To Clean The Valve Continued
7. Turn pump off. Using a Phillips screwdriver and 7/16" wrench, remove the screws
from the top of the valve.
8. Remove key handle assembly from valve.
9. Rinse out inside of valve and check for any debris lodged under spider
gasket. Be sure spider gasket is seated in the groove properly, reposition
if necessary.
10. Reattach key handle assembly.
11. Turn pump on. Check if leak has stopped. (If leak continues call customer
service 1-800-454-2725 for further assistance)
Spray Both
Areas
Wasteline
In Filter Mode

Pump In
Pump Out
12
Incorrect Installation
Pump plumbed into return line
Incorrect Installation
Suction side of pump plumbed into lter
Incorrect Installation
Filter too far from pump Incorrect Installation
Filter mounted more than 6' above pond level
Pump In
Line Out
Waste Line
More than 3'
6' Above Pond
Level
Filter is installed less than 3 feet away from the pump and no more than 6 feet above pond level. Pump line is plumbed
into the top union on the valve. The return line to the pond is plumbed into the lower union on the valve. The waste line is
plumbed into the union on the opposite side. All pipe used to connect the lter is the same diameter as the unions
supplied or larger. Pump is sized according to chart on page 2.
Line In
Line In
Return Line
Line In
Waste Line
CORRECT INSTALLATION

Do I need to add any additional bacteria to my pond or my filter?
No, your Ultima II filter comes pre-seeded with natural bacteria to help the filter establish itself.
Do I need to add additional biological or mechanical filtration to my pond?
Not unless your pond has a lot of large debris (i.e. leaves, pine needles, string algae). If you have large debris in your
pond a leaf basket or other pre-filtration system is recommended.
Can I bury my filter?
Yes, you can bury the filter up to the valve head. Please keep in mind that if you need to drain your filter for winter the
drain valve will be buried and other means may be necessary to drain the filter.
How often do I have to Backwash?
It is recommended to backwash your filter once a week, however, depending on your fish load and feed rate it may be
necessary to backwash more or less often. After a few weeks you will begin to notice how often it is necessary for your
own pond.
How often do I have to replace the media?
Under normal circumstances, the media does not need to be replaced.
How often do I need to drain out the sludge?
Due to the exceptional backwashing system exclusive to our filters, all the waste is expelled through the waste line, and
thoroughly cleans the filter eliminating the need for a sludge valve.
Can I medicate while the filter is running?
No, due to the non-specific nature of most medications on the market any medication designed to eliminate harmful bac-
teria in your pond would also destroy any beneficial bacteria inside your filter. If you need to medicate for any reason,
you may set the valve to recirculate which will bypass the filter entirely and run through the valve only.
What is the maximum flow rate through my filter?
Please refer to chart on page 2.
What size pump should I use?
Your pump will need to be an external direct drive pump that can pump the volume of your pond within one and a half
hours at ten feet of head pressure.
What's the flow loss through the filter?
The filter flow loss ranges from 3-8ft of head, depending on how dirty the filter is.
Do I need to oversize my filter?
No, our filters were designed to handle heavy fish loads and heavy feed rates.
Do I need a pre-filter?
In situations where heavy waste like pine needles, large leaves, etc. are present a pre-filter is recommended.
Do I need to run my filter 24 hours a day?
Yes, the filter converts ammonia from fish waste into harmless compounds creating a safe environment for your fish.
13
AQUA ULTRAVIOLET 42371 AVENIDA ALVARADO, TEMECULA, CA 92590 TEL: [phone] FAX: [phone]
FREQUENTLY ASKED QUESTIONS

from 1,000 gallon size to 100,000 gallons
For Easy Care Pond Maintenance Use Aqua Ultraviolet Sterilizers and Ultima ll Filters
AQUA ULTRAVIOLET PRODUCT LINE
AQUA ULTRAVIOLET 42371 AVENIDA ALVARADO, TEMECULA, CA 92590 TEL: [phone] FAX: [phone]
CLEAR QUARTZ CAP
Glow Tells You
Your Lamp Is On
EZ TWIST CAP
Quick And Easy
Quartz Sleeve
Maintenance
QUICK RELEASE TEE
Quick Release And Easy
Install Of Unit
QUARTZ SLEEVE
Allows For A
99.9%
Transmission Rate
Highest Quality Quartz Glass
UNIT DESIGN
Created For Maximum Flow Rate
Designed For Indoor/Outdoor Use
Units Come In Black Or White
Limited Lifetime Warranty
Fresh Water UV Sizing Chart
If you purchased an Ultima ll Filter with a 1 1/2"
valve we have included two 1 1/2" reducers to
make it convenient to plumb your 2" Classic Sterilizer
inline after your lter.
CLEAR WATER GUARANTEED
Controls the Spread of Fish Disease
Destroys Harmful Bacteria
Clears Your Water in 3-5 Days
Industry's Longest Lamp Life, 14 Months
Easy to Install and Maintain
Optional Wiper Keeps Quartz Sleeve Clean
BIO/MECHANICAL FILTRATION
Easy to Install and Maintain
Just Minutes each Week for Backwash
The Internal Jets do all the Work
No Filter Pads to Scrub
Your Hands Stay Clean
*
Aqua Ultraviolet media offers
the highest surface are for growth
of benecal bacteria
14

PARTS LIST
15

AQUA ULTRAVIOLET 42371 AVENIDA ALVARADO, TEMECULA, CA 92590 TEL: [phone] FAX: [phone]
TROUBLESHOOTING
Problem Solution
My valve is leaking from the
waste port while in filter mode
See how to clean valve section on
page 10 and 11
Possibilities
• Handle was moved while pump was on
• Debris lodged under spider gasket. (i.e.
rocks, sand, etc.
• Check pumps flow chart, make sure
flow over 10ft of head can turn over
pond in at least 1 1/2 hours
• Check pump for any malfunctions
• Check filter basket for large leaves,
plant material, etc
• Pump sized incorrectly
• Pump is malfunctioning
• Filter basket is clogged with large debris
The flow out of the filter is
considerably slower, and I
have to backwash more fre-
quently .
• Check pump for malfunctions
• Check circulation see page 3 for rec-
ommended pond layouts
• Quartz sleeve in UV unit may need
cleaning
• UV lamp may need replacing (check
manufacturer's suggestion)
• A UV unit may be necessary to
achieve proper clarity
• Improper water circulation
• Pump is malfunctioning
My water is murky/brown
• Turn off pump before switching
handle
• Rinse off top portion of valve assem-
bly
• See section on how to clean valve
on pages 10 and 11
• Handle was moved while pump was on.
• Debris may be lodged in top valve assem-
bly
My valve handle is difficult to
turn
• If you do not have a UV we recom-
mend purchasing one see pg.14
• Clean quartz sleeve per manufac-
ture's suggestion
• Check lamp life and replace if nec-
essary
• Not filter related
• A UV system is needed
• If you have a UV you may need to:
Replace the UV lamp
Clean the Quartz sleeve
My water is still green
• Please call Tech Support at (800)
454-2725 for new valve purchase
• A sealant instead of Teflon tape was used
• Over-Tightened
• Water froze in valve
My valve is cracked at the
ports
• Re-seat the valve
• Check O-ring
• Check Clamp
• The valve is not seated correctly
• The O-ring is pinched
• The clamp is not tight enough
My filter leaks from the clamp
• Wait for the filter to establish
• Buy a larger pump
• Depending on pump, gauge may
never register any pressure, gauge
should be used as an indicator only
• The filter is new
• The pump is not sized correctly
My gauge doesn't register any
pressure
• Make sure you are picking up and
returning to opposite sides of the
pond
• Pick up water from bottom of pond
• Circulation is bad
• Pump picking up from skimmer
There are small particles in
my pond
• Open filter and check for holes in
laterals and basket
• Please call Tech Support for further
assistance 1-800-454-2725
• The internal parts may be damaged
• Media may be lodged in standpipe
Media is coming out of my
waste port
16