Simply attach the bracket to a wall with four bolts. Connect the input hose to your water supply. Install the purity light and insert the probe into the fitting on top of the housing. Mount the display on the back of the mounting bracket.
Push the test button to monitor the water output and determine when the cartridge needs to be replaced. ”Good” indicates cartridge does not need to be replaced. “Service” indicates cartridge replacement is needed.
No tools are needed. To replace the cartridge, turn off supply, unscrew the canister and put the new one in. The old cartridge is non-toxic and can be disposed easily.
MAX INLET PRESSURE - 100 PSI
SHIPPING WEIGHT - 28 lbs (12.7 kg)
WATER DEIONIZER KIT - Part# PW-1800AC includes 12’ (3.66 m) hose to delivery system and 6’ (1.83 m) hose to the water supply.
Delivery Hose - 12' (3.66 m)
Fittings included for outlet of deionizer
(Hose to delivery system)
PW-1800 Deionizer Replacement Cartridge
Deionizer Replacement cartridge is not compatible with other brands
5/8" Hose Bar x Female GHT
for PW-1800 Housing
Deionizer Case Housing
3/8" to 7/8"
(10 mm to 22.22 mm)
5/8" (15.8 mm)
(sold by the foot)
Fittings sold separately
Purity Light Replacement for
Battery Operated (DC) Unit
Housing Tool used to
tighten lid on housing
Water Quality Tester
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