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THERAFLO REPLACEMENT PARTS DIAGRAM THERAFLO REPLACEMENT PARTS TABLE
REF NO. PART NO. DESCRIPTION
1 & 2 THERAF4320 Hand Knob Kit for Strainer Cover (inc Hand Knob &
Swivel Nut)
3 THERAF4304 Strainer Cover, Hand Knob Style - Clear
4 THERAF4303 Strainer Cover O-Ring
5 THERAF4302 Basket
6 THERAF4301B Pump Housing/Strainer - 50mm, w/Drain Plugs, threaded
external
7 & 8 THERAF4318 Drain Plug with O-Ring
9 THERAF4317 Mounting Foot Cap Screw (set of 2)
10 THERAF4316B Mounting Bracket, hps style
11 THERAF4323 Spacer for motor support (required only for 1hp model)
12, 13, 14 THERAF4321 Union Kit (set of 2) suit 40mm & 50mm w/Gasket (T-Seal)
15 THERAF4322 Union Gasket (T-Seal)
16 THERAF4305 Housing Gasket
17 THERAF4323B Diffuser Gasket
18 THERAF4306C Diffuser
19 THERAF4307B Impeller Ring
20 THERAF4308K Impeller 1HPVS (required only for 1hp model)
21 THERAF4309B Seal Assembly (inc, Mechanical Seal and Slinger)
22 THERAF4312B Slinger
23 THERAF4310B Seal Plate
24 THERAF4311B Motor Cap Screw (4 required)
25 THERAF4313B Motor Mounting Plate
26 THERAF4315K Motor 1HPVS (required only for 1hp model)
27 THERAF4314 Housing Cap Screw (6 required)
THERAF4308H Impeller 1.5HPVS (required only for 1.5hp model)
THERAF4315L Motor 1.5HPVS (required only for 1.5hp model)
THERAFLO REPLACEMENT PARTS DIAGRAM THERAFLO REPLACEMENT PARTS TABLE
REF NO. PART NO. DESCRIPTION
1 & 2 THERAF4320 Hand Knob Kit for Strainer Cover (inc Hand Knob &
Swivel Nut)
3 THERAF4304 Strainer Cover, Hand Knob Style - Clear
4 THERAF4303 Strainer Cover O-Ring
5 THERAF4302 Basket
6 THERAF4301B Pump Housing/Strainer - 50mm, w/Drain Plugs, threaded
external
7 & 8 THERAF4318 Drain Plug with O-Ring
9 THERAF4317 Mounting Foot Cap Screw (set of 2)
10 THERAF4316B Mounting Bracket, hps style
11 THERAF4323 Spacer for motor support (required only for 1hp model)
12, 13, 14 THERAF4321 Union Kit (set of 2) suit 40mm & 50mm w/Gasket (T-Seal)
15 THERAF4322 Union Gasket (T-Seal)
16 THERAF4305 Housing Gasket
17 THERAF4323B Diffuser Gasket
18 THERAF4306C Diffuser
19 THERAF4307B Impeller Ring
20 THERAF4308K Impeller 1HPVS (required only for 1hp model)
21 THERAF4309B Seal Assembly (inc, Mechanical Seal and Slinger)
22 THERAF4312B Slinger
23 THERAF4310B Seal Plate
24 THERAF4311B Motor Cap Screw (4 required)
25 THERAF4313B Motor Mounting Plate
26 THERAF4315K Motor 1HPVS (required only for 1hp model)
27 THERAF4314 Housing Cap Screw (6 required)
THERAF4308H Impeller 1.5HPVS (required only for 1.5hp model)
THERAF4315L Motor 1.5HPVS (required only for 1.5hp model)
IMPORTANT SAFETY INSTRUCTIONS
IMPORTANT SAFETY INSTRUCTIONS
Before installing or servicing this electrical equipment, disconnect it from the power supply
WARNING – Hazardous Pressure. Pool and spa water circulaon
systems operate under hazardous pressure during
start-up, normal operaon, and aer pump shut-off.
Stand clear of circulaon system equipment during pump
start-up. Failure to follow safety and operaon
instrucons could result in violent separaon of the
pump housing and cover due to pressure in the system.
This separaon could cause property damage, severe
personal injury, or death. Before servicing the pool and
spa water circulaon system, all system and pump
controls must be in the off posion and the Filter Manual
Air Relief Valve must be in the open posion. Before
starng the system pump, all valves must be set in a
posion to allow system water to return back to the pool.
Do not change the Filter Control Valve posion while the
system pump is running. Before starng the system
pump, fully open the Filter Manual Air Relief Valve. Do
not close the Filter Manual Air Relief valve unl all the air
is expelled and a steady stream of water is discharged
from the valve. All sucon and discharge valves MUST BE
OPEN when starng the circulaon system. Failure to do
so could result in severe personal injury and/or property
damage.
WARNING – Separaon Hazard. Failure to follow safety and operaon
instrucons could result in violent separaon of pump
components. Strainer cover must be properly secured to
pump housing by ensuring it is firmly screwed down.
Before servicing pool and spa circulaon system, all
system and pump controls must be in off posion and
the Filter Manual Air Relief Valve must be in open
posion. Do not operate pool and spa circulaon system
if system components are not assembled properly,
damaged, or missing. Do not operate pool and spa
circulaon system unless the Filter Air Relief Valve body
is in locked posion within the filter upper body. All
sucon and discharge valves MUST BE OPEN when
starng the circulaon system. Failure to do so could
result in severe personal injury and/or property damage.
WARNING – Sucon Entrapment Hazard. The force from sucon in
sucon outlets and/or sucon outlet covers which are damaged, broken, cracked,
missing, or unsecured, can cause severe injury and/or death due to the following
entrapment hazards:
Hair Entrapment - Hair can become entangled in sucon outlet cover.
Limb Entrapment - A limb inserted into an opening of a sucon outlet
sump or sucon outlet cover that is damaged, broken, cracked, missing,
or not securely aached, can result in a mechanical bind or swelling of
the limb.
Body Sucon Entrapment - A differenal pressure applied to a large
poron of the body or limbs can result in an entrapment.
Evisceraon/Disembowelment - A negave pressure applied directly
to the intesnes through an unprotected sucon outlet sump or
sucon outlet cover which is damaged, broken, cracked, missing, or
unsecured, can result in evisceraon/disembowelment.
Mechanical Entrapment - There is potenal for jewelry, swimsuits, hair
decoraons, fingers, toes, or knuckles, to be caught in an opening of a
sucon outlet cover resulng in mechanical entrapment.
WARNING – To Reduce the risk of Entrapment Hazards:
» When outlets are small enough to be blocked by a person, a minimum of
two funconing sucon outlets per pump must be installed. Sucon outlets in
the same plane (i.e. floor or wall), must be installed a minimum of 0.91 metres
or three feet (3’) apart, as measured from near point to near point to avoid dual
blockage by a user.
» Dual sucon fings shall not be located on seang areas or on the
backrest for such seang areas.
» Never use pool or spa if any sucon outlet component is damaged,
broken, cracked, missing, or not securely aached.
» Replace damaged, broken, cracked, missing, or not securely aached
sucon outlet components immediately.
» In addion to installing two or more sucon outlets
per pump, follow all naonal, state, local regulaons
and AS 1926.3 Latest Edion.
» Installaon of a vacuum release or vent system,
which relieves entrapping sucon, is recommended.
Before installing or servicing this electrical equipment, disconnect it from the power supply