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Watts 1790 1" water pressure reducing valve Parts
Here are the diagrams and repair parts for Watts 1790 1" water pressure reducing valve, as well as links to manuals and error code tables, if available.
Error CodesBy Schematic
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Browse Parts for 1790 1" Water Pressure Reducing Valve
Adjusting Screw (3/8-16 X 2")
Part #N/P
The manufacturer no longer makes this part, and there's no substitute part
Replacement parts diagram
Union Tailpc
Part #135A139
The manufacturer no longer makes this part, and there's no substitute part
Replacement parts diagram
675.4 (1/2")
Part #56C8102
The manufacturer no longer makes this part, and there's no substitute part
Replacement parts diagram
Union Tailpc
Part #135B139
The manufacturer no longer makes this part, and there's no substitute part
Replacement parts diagram
Strainer
Part #135A77
The manufacturer no longer makes this part, and there's no substitute part
Replacement parts diagram
Strainer
Part #27Y77
The manufacturer no longer makes this part, and there's no substitute part
Replacement parts diagram
Disc
Part #50C37
The manufacturer no longer makes this part, and there's no substitute part
Replacement parts diagram
Disc Washer
Part #25B60
The manufacturer no longer makes this part, and there's no substitute part
Replacement parts diagram
Adjustment Nut
Part #30B33
The manufacturer no longer makes this part, and there's no substitute part
Replacement parts diagram
Diagram
Part #135A20
The manufacturer no longer makes this part, and there's no substitute part
Most common symptoms to help you fix your refrigerators
Choose a symptom to see related refrigerator repairs.
Main causes: leaky door gasket, defrost system failure, evaporator fan not running, dirty condenser coils, condenser fan…
Main causes: control board or cold control failure, broken compressor start relay, compressor motor failure, defrost tim…
Main causes: blocked vents, defrost system problems, evaporator fan failure, dirty condenser coils, bad sensors, condens…
Main causes: blocked air vents, compressor problems, condenser or evaporator fan not working, control system failure, se…
Main causes: water valve leaking, frozen or broken defrost drain tube, overflowing drain pan, cracked water system tubin…
Main causes: damaged door seal, faulty defrost sensor or bi-metal thermostat, broken defrost heater, bad defrost timer o…
Things to do: clean condenser coils, replace the water filter, clean the interior, adjust doors to prevent air leaks, cl…
Main causes: jammed ice cubes, broken ice maker assembly, dirty water filter, kinked water line, bad water valve, freeze…
Most common repair guides to help fix your refrigerators
These step-by-step repair guides will help you safely fix what’s broken on your refrigerator.
How to replace a refrigerator temperature control board
If the temperature in your refrigerator doesn't match the temperature you set, the problem could be the temperature cont…
Repair time and Difficulty
30 minutes or less
How to replace a refrigerator water valve
Replace the water valve that feeds water to the ice maker and water dispenser if it no longer controls the flow of water…
Repair time and Difficulty
15 minutes or less
How to clean refrigerator condenser coils
Help your refrigerator run more efficiently by cleaning the condenser coils. It's easy and takes just a few minutes.…
Repair time and Difficulty
15 minutes or less
Effective articles & videos to help repair your refrigerators
Use the advice and tips in these articles and videos to get the most out of your refrigerator.
Learn how easy replacing the water filter in a Universal/Multiflex refrigerator is.…
Discover how easy it is to replace the water filter in your KitchenAid refrigerator.…
Learn what to check if the inside of your fridge is wayyyy too warm.…
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