plumbing


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Old 07-21-01, 03:42 PM
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when I switch the cold water tap on, the hot water flow is reduced to a trickle. Any ideas?
 
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Old 07-21-01, 05:01 PM
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What type of single-handle faucet do you have?

 
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Old 07-21-01, 05:24 PM
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not quite sure what a single handed faucet is. However, hot water is run from high pressure (1.5 - 2.0 bar) oil boiler. No matter which hot water tap, whether it be downstairs single taps, upstairs single tap or upstairs mixer tap that is in operation, the operation is effected drastically by the operation of any cold water tap in the house.
 
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Old 07-21-01, 10:48 PM
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Hot water pressure is directly affected by the cold water pressure going into the water heating system, unless there is a restriction in the heating system itself.
I'm not a pro plumber, but it sounds like you may have some restrictive buildup in the supply pipes (galvanized?) or in the heating system coils.
You need to check your house water pressure first. You can get a water pressure gauge with a hose spigot adapter at a hardware store, and check it at a hose bibb.
If it is low, and you have galvanized supply pipes, the only solution is to replace them. If it is normal, then you need to look at the heating coils.
Good Luck!


 
 

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