Kenmore Series 80 washer hot water slow to fill and thumping/pulsing

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Old 12-28-10, 01:23 PM
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Kenmore Series 80 washer hot water slow to fill and thumping/pulsing

Our Kenmore series 80 washer is slow to fill with hot water, cold water is fine. The hot water barely comes out and then pulses/thumps/hammers and the hoses on the back also do it. We have replaced the valve and it still thumps. We have checked the hoses and they are fine. We pumped up the bladder in the whole house hammer arrester connected to the water heater. We disconnected the hot water hose from the washer and ran water thru it. It did NOT thump. Any suggestions? Thank you for any help.
 
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Old 12-28-10, 04:13 PM
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Which valve did you replacwe. The fill valve in the washer or the one in the wall? Most likely is the fill valve in washer.
 
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Old 12-28-10, 04:42 PM
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That whole house hammer arrestor at the HWH is an expansion tank. That should be set at house pressure. You may have issues with your relief valve blowing open if not set correctly. If you have this usually means your water system is closed and you have a pressure reducing valve somewhere.

1) What is your house pressure? Should be under 80 psi. If over you may need new PRV. This could cause your banging if you never had it before and is comething new.
2) Set that tank pressure to what your house pressure is. The tank may may be bad also where the bladder might not hold air. This needs to be checked with no pressure on the system.
3)Does Hot water come out the washer hose when its disconnected at full force? Disconnect hose and open valve to a bucket. Full flow probably washer selenoid. Or there are screens on the washer side, and sometimes in the hoses that may be clogged.

Post back and let us know.

Mike NJ
 
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Old 12-28-10, 06:41 PM
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We replaced the fill valve in the washer and it did not stop the thumping. We pumped up the expansion tank with a bicycle pump to 60psi. The house psi is 42psi after the pressure reducing valve (on the back side of the house/outside faucet). The pressure reducing valve is set to 50psi. We did not hear the PRV making any thumping noise while the washer was filling. Yes, hot water comes out at full force (without thumping) when the inlet hose is disconnected. And yes, we cleaned the screens before we replaced the valve. New ones came with the new valve. Is there something in the control panel that could be the problem?
 
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Old 12-29-10, 04:23 AM
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Give model # Washer over 4 or 5 years old Water goes from fill valve straight to tub. Newer washer have temp control but have never heard of your troubles. Do you have fill hoses with anti flood valves in them. Get rid of them if you do, can cause your problem.
 
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Old 12-29-10, 05:55 AM
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Model # 110.16852500 It's about 5 years old. The fill valve does have a temperature control in the bottom of it. No, the fill hoses don't have anti-flood valves in them.
 
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Old 12-29-10, 04:50 PM
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Have never seen your problem but temp control turns the hot on and off to control water temp. May have it put water shock on faucet,
 
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