I have a kohler fairfax faucet and recently the cold side pressure has dropped in 1/2. Hot side OK. I changed out the main valve assembly and it had no effect. What could this be?
There R three things to do :
1.Verify water pressure is correct from water source. Do this by removing the supply line, using the shutoff to remove one end and test the other.
2. Take the handle off and retaining nut loose to remove and replace the inner plastic cartridge
3. Another often problem is that the sprayer and faucet act up when using the sprayer or the cold water quits all together and starts working again. The solution is a spay diverter part in the inner workings of the faucet.
Verify the cold water outlet has equal pressure as the hot side outlet at the wall. Check the inlet screen on the cold side water line where it attatches to cold water pipe. The screen could be plugged. Then check the cold side hose for any restrictions. Also check if there is a screen on the outlet side of the cold water hose and see if it is plugged. Otherwise the faucet valve is mis-aligned and will need to be rotated and re-tightened to align the valve to the center so both sides have equal water flow.
SOURCE: Kohler Fairfax shower faucet repair
You will need to buy the o-rings to fix it. You can buy at most hardware stores if you know how to turn off the water you can fix this with more instructions. Let me know if you need more help.
SOURCE: Kohler Fairfax single control kitchen sink faucet
Remove the air-irater at the end of the faucet where the water comes out. That is where 99% of clog are on faucets. If that does not do it then you need to replace the cartridge.
Good Luck and please rate 4 thumbs up for the free answer.
SOURCE: Kohler Fairfax kitchen faucet has
First thing to check is if it has a strainer on the spout that has debris. The second thing is if you have a sprayer attachment the diverter valve is a chronic problem with kitchen faucets.
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