DEMA 301B-C User manual

I-221 Pg. 1 of 2
Rev. E-37206 9/8/11
FIGURE 1
PLASTIC
SUPPLY
TUBING
INLET
DISCHARGE
DEMA SURE-MEASURE DISPENSER MODEL 301B-C
(FOR CHLORINE)
INSTALLATION INSTRUCTIONS
1. PARTS:
A. Pump Assembly
B. Plastic tubing 8' lg.
C. 3 sheet metal screws in envelope
2. INSTALLATION:
Mount pump on wall using screws provided. Connect one end of
plastic tubing to inlet. Soften end of tubing in hot water to
facilitate attachment. Tubing may be cut to any convenient length
before dropping into chemical container.
3. OPERATION
WARNING: Use care when handling hazardous fluids.
IMPORTANT: DO NOT USE CHLORINE BLEACH IN
COMBINATION WITH AMMONIA OR OTHER
HOUSEHOLD CHEMICALS. TOILET BOWL CLEANERS
AND RUST REMOVERS, SINCE MIXING COULD CAUSE
HAZARDOUS GASES TO BE RELEASED.
Push the pump handle to prime the inlet tubing. Once primed, the
pump will deliver one ounce of chemical with each full stroke.
4. SERVICING:
Dried fluid or dirt can impede the free movement of the piston.
Unscrew the knob to inspect the piston parts. The inlet and outlet
barbs may be unscrewed and soaked in hot water to clean the check
valve balls and seats.
CAUTION: Whenservicing unit besure that replacementparts
have been installed according to drawing.
RETURNS: NO MERCHANDISE MAY BE RETURNED FOR CREDIT WITHOUT DEMA’S WRITTEN
PERMISSION. RETURN MERCHANDISE AUTHORIZATION NUMBER REQUIRED IN
ADVANCE OF RETURN.
WARRANTY: DEMA products are warranted against defective material and workmanship under normal use and service
for one year from the date of manufacture. This limited warranty does not apply to any products which
have a normal life shorter than one year or failure and damage caused by chemicals, corrosion, improper
voltage supply, physical abuse, or misapplication. Rubber and synthetic rubber parts such as “o”- rings,
diaphragms, squeeze tubing and gaskets are considered expendable and are not covered under warranty.
This warranty is extended only to the original buyer of DEMA products. If products are altered or
repaired without prior approval of DEMA, this warranty will be void.
Defective units or parts should be returned to the factory with transportation prepaid. If inspection shows
them to be defective, they will be repaired or replaced without charge, F.O.B. factory. DEMA assumes no
liability for damages. Return merchandise authorization number, to return units for repair or replacement,
must be granted in advance of return.

I-221 Pg. 2 of 2
Rev. E-37206 9/8/11
NO. PART NO. DESCRIPTION
1 30-7-2 Spring
2 30-5 O-Ring
3 30-11 Cap
4 30-12-2 Piston Assy. with O-Ring
5 30-3-3 Push Knob – Yellow
6 30-2-2 Check Ball Valve
7 30-8-2 Inlet Fitting
8 30-10-2 Outlet Check Valve Assy.
9 100-12L Supply Tubing, 8’ Long
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