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Old 07-31-2009, 11:10 AM   #1
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low hot water pressure


just to be short had plumber install a tankless water heater, before water heater is a water softner and a whole house water filter. getting low water pressure from cold and hot when i use washer. bought the larger tankless water so this would not happen but it does. using a GE GXWH20F water filter with a CULLIGAN softner. tried looking up possibilities could not find any maybe someone here might a few suggestions. thanks

p.s. before job was done everything was fine pressure wise.

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Old 08-01-2009, 04:48 PM   #2
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low hot water pressure


Make sure your water main is all the way open and put your filter on bypass then try again.

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Old 08-01-2009, 06:45 PM   #3
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low hot water pressure


did just that today, water pressure is much better so i quess the whole house water filter i am using is lowering my pressure. any suggestion on how i can get better pressure without removing filter, if not i quess i am going to have to remove it and just put it for kitchen cold water.
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Old 08-02-2009, 12:07 AM   #4
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low hot water pressure


Well, if you have 3/4" pipes try using a filter designed for 1" and reduce to 3/4" the 1" filter should be larger which would have less restriction. Just a thought. also look at the flow rates of the filters you use.
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