DEMA 167 Installation Instructions

1. PARTS
A. Proportioner Assembly.
B. Supply tubing with foot valve & ceramic weight.
2. INSTALLATION
This product is designed only to be used as described in this instruction sheet. Adhere to all warnings and
cautions identified in this document.
WARNING: Installations must conform to all local and national plumbing codes and use
approved backflow prevention and pressure relief devices where required.
ALWAYS DISCONNECT DISPENSER FROM WATER SOURCE WHEN DISPENSER
IS NOT IN USE.
Always read SDS for all chemicals used and follow personal protective guidelines.
Screw proportioner directly onto standard external aerator threads. Remove inlet adapter for mounting on garden hose threads. For
other faucets see reverse side for adapter part numbers. For cities with plumbing codes requiring back siphonage protection, install
Dema part 34-22 between faucet and proportioner. See Fig. 1 for supply tubing attachment. Cut vinyl tubing to any convenient length,
slip on the ceramic weight, and push the open end over the detergent inlet barb. Soften end of tubing in hot water to facilitate
attachment. See Section 4 for adjustment screw setting guide. For filling buckets or mop rigs: a short length of open ended garden hose
may be attached to the proportioner outlet. Replace screen retainer part 100-8 with hose adapter part 100-10. Use one screen part 100-7
to insure priming.
3. OPERATION
Turn on water and push red button to draw in chemical. Push green button for clear water.
4. PROPORTIONER ADJUSTMENT
WARNING: USE CARE WHEN HANDLING HAZARDOUS CHEMICALS.
I-107
Rev. B-40495 3/2/15
DEMA PROPORTIONER
MODEL 167 & 167T
INSTALLATION INSTRUCTIONS
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