The tag has no wiki summary.

learn more… | top users | synonyms

0
votes
1answer
17 views

How to measure water pump pressure in a spa heating system?

Short version (TL;DR): how can I measure the output pressure of a water pump in a spa heating system and verify that it is within the gas heater input pressure specs? The Whole Story I'm trying to ...
0
votes
3answers
46 views

Cold water entering hot water circuit?

I'm having a bizarre problem. At least it's bizarre to me. I'm repacking a HW faucet connected to our washing machine. To do so, I turned off the HW heater, and then the valve on top of the HW ...
2
votes
2answers
64 views

Do hot water tanks have to be in the drain pan

I bought a new hot water tank and had it installed by a plumber. It didn't fit in the existing drain pan, so he put it on top of the pan. Is this safe?
1
vote
1answer
29 views

No hot water even if heating elements work (solar/boiler combination)

I've got following setup for heating water: boiler solar panel on the roof The overall setup is simple - the cold water enters the system and goes first through the solar panel and then through ...
0
votes
0answers
13 views

What could be causing the hot water run, then stop?

We have a 300 lt. hot water tank fed by either pumped tank water (2.5hp pump, 60m horizontal run, 5m vertical) or by mains water (limited to 850kpa). Water is heated on low tariff electricity and hot ...
0
votes
0answers
52 views

Gas Water Heater Pilot shuts off

I have an Aquamax 205 gas powered water heater. The pilot light has started to go out. I replaced the thermocouple but that made no difference. I have measured the (open circuit) voltage on the ...
0
votes
1answer
25 views

Are large temperature variation in a water heater normal?

I live in an apartment with a water tank and heater in the laundry room. About a month ago I had the heater replaced because it was leaking on my floor. Right after it was installed I noticed the ...
0
votes
1answer
61 views

Why does my oil-furnace's on-demand water heater go tepid and then return to full heat?

We have an issue with the hot water from a 2004 Peerless oil furnace with on-demand hot water. The shower starts at full temp, but quickly goes tepid (too cool for a bath/shower, but not ice-cold) and ...
1
vote
1answer
37 views

How does my geothermal heat pump heat my hot water tank/UV filter and softner

I had my heat pump replaced recently and had it hooked it up to the hot water tank so that as the pump was on, whether cooling or heating the home would also partially heat the water in the tank. My ...
1
vote
4answers
84 views

Leave the water heater on?

When I lived in France and the US, we can an electric boiler for hot water. It was "always on", probably with a thermostat. Now I live in an area where most people have a power switch that they turn ...
1
vote
1answer
93 views

Why isn't the hot water in my shower hot enough?

I have two showers in my house, one seems to be noticeably cooler no matter what I try. Both are Symmons Temptrol model A. The house is mostly PEX except where copper is required. I cannot take ...
0
votes
2answers
85 views

Why does my furnace drip bucket fill up so frequently?

We have an oil furnace that heats the house using a two-zone hot-water circuit, and also acts as an on-demand hot water heater. There is a pipe coming off the collection of pipes coming out of it that ...
0
votes
1answer
64 views

Hot water running out, already replaced both heating elements and both thermostats

Our hot water runs out during one not-too-long shower. By the end of the shower, I have the cold water completely off and the hot water coming out is only lukewarm. My husband already replaced both ...
0
votes
1answer
78 views

Was my pressure release valve installed backwards?

I realise that this may well be beyond the scope of an SE site, but I'll give it a go nonetheless. We've recently had a leaky pressure release valve on our Megaflo hot water tank. We have no boiler ...
0
votes
2answers
71 views

Is there an improper way to connect water lines to water heater?

The building just installed some new pipes and since then I believe that the hot showers cannot last as long as they once did. Is there a sub-optimal way to hook up a new cold water intake that would ...
1
vote
1answer
116 views

Radiators don't heat up evenly, and am missing an Expansion Vessel. Do I need it?

I have a new Worcester 40CDI Regular Boiler that does not come with a built-in expansion vessel. I just discovered that the installer did not install an external expansion vessel either. For HW, I ...
0
votes
1answer
376 views

Desuperheater vs Heat Pump Water Heater

I'm having a geothermal heating system installed in my home, and the contractor recommended heating my water using a buffer tank and desuperheater, which is a device that cools the refrigerant lines ...
1
vote
3answers
116 views

Do modern washers heat the water if below cycle temp?

As my house is currently without hot water (heater broken), I am curious if my washer has a heating element to regulate the water temp if what comes out of the pipes is below the cycle required ...
2
votes
2answers
230 views

How to calculate potential energy savings from using a tempering tank?

I have a boiler (oil) with integrated water heater (3.5 gallon). I don't have problems with running out of hot water but I do wonder if having a tempering tank before the boiler would save money on ...
0
votes
0answers
93 views

Can I reduce cold water inlet flow to combi boiler?

I have an ideal min c28 combi boiler. The problem is that with the shower fully on the temperature never gets hot enough for my wife, and, worse still, it can fluctuate between boiling and cold. I ...
2
votes
3answers
134 views

How do I get an exterior vent to stop frosting over in a cold Canadian winter?

We have a high-efficiency gas-fired hot water heater (in our a basement) that is vented to the outside of our house. When the weather gets below -30°C the vent has a tendency to frost-over. When ...
0
votes
1answer
153 views

Is it safe to connect a timer to an instant hot water dispenser?

I'd like to connect a timer to my new instant hot water dispenser. The installation instructions mention not to use an extension cord, but I'd like to make the timer accessible under the cabinet so I ...
1
vote
2answers
153 views

Why is noise coming from our hot water radiator even when it is off?

I own a condo and the heating is from a hot water radiator. We have a hot water radiator at the living room and there is quite a noise (some clanking but mostly like water running on a pipe) coming ...
0
votes
1answer
2k views

How should I connect nipples to a hot water heater?

I recently installed my new hot water heater. I know nothing about plumbing and my installation procedure was informed only by sketchy home depot employees and youtube. One of the issues I'm having ...
8
votes
1answer
2k 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
977 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
601 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
0answers
258 views

Tankless cold 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 cold water heater two years ago. Our hot water is very inconsistent. When ...
2
votes
1answer
220 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
227 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 ...