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8
votes
1answer
3k views

How do I fix a shower mixer so I get hot water without turning the knob all the way?

I have a single knob shower, Valley brand. Almost the entire range of the turn from off to completely hot, it is just cold water. Only in the last half inch of the turn does any hot water start mixing ...
2
votes
2answers
2k views

Can I remove the fresh air supply that is attached next to my furnace?

It looks like my gas furnace is already vented but I'm not sure. There are two white pipes from the top of the furnace that are vented outside. The furnace is a Trane XR90. We have cold winter climate ...
2
votes
1answer
1k views

How can I connect a portable propane bottle to a tankless hot water heater?

I'm looking at a tankless hot water heater (Rinnai V65EP) with a 3/4" NPT propane input. The manual says that a 1/2" propane feed is acceptable if it is relatively short. Required gas supply pressure ...
1
vote
1answer
403 views

Tankless water heater and inconsistent water temperature

We recently brought a house that was built in 1927, and much of it has been updated. The previous owners put in a tankless water heater two years ago. Our hot water is very inconsistent. When someone ...
2
votes
1answer
718 views

What would cause the water to stop when I turn a faucet to hot?

When I turn the faucet to hot, the water stops running. Valves have been checked and I have hot water everywhere else.
4
votes
1answer
247 views

How can I run plumbing from house to a nearby new office 1.5m away?

I am building a new office next to the house; it is about 1.5m away. I need to run, from the house's upstairs bathroom, 1 hot, 1 cold, and radiator with return (all of which I believe are 28mm to ...