Questions tagged [boiler]
The boiler is used in a central heating system to heat water that is pumped through pipes to radiators within the home.
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Relight pilot on ideal standard boiler
I recently had to turn off the gas supply and the pilot light on the old boiler went out. The instructions mention turning the gas control knob to pilot position but it doesn't seem to turn. Pretty ...
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Boiler *might* have caused water intrusion... who do I call?
apologies if this is a super basic question, but this is my first time owning a home and not sure who to call.
So my boiler seems to be leaking -- I think this may have been happening for a while, but ...
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Nest thermostat and no C wire at my boiler
so I bought a nest thermostat and it keeps running through the AAA batteries, recommending that I use a C wire, though there's just 2 coming out of the wall (red and white). I got C wire/power adapter ...
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Thermostat Wiring for Zoned Hydronic Heating
I have a 7 zone circulator pump heated using Navien combi-boiler. 3 thermostats are connected to the boiler, and the remaining 4 are connected to a Taco SR-504 relay. All the connections have 2 wires, ...
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Boiler heats up water, but radiators are not working
The boiler should be working correctly, the hot water works and engineer came two weeks ago to check everything and it’s fine. However the radiators do not heat up. It was working correctly, then I ...
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Water gets cold when central heating is on?
I have a Vaillant System Boiler with an external cylinder to store hot water. After heating the water, If I switch on the central heating the water supplier to the taps/showers gets cold after a short ...
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How to remove limestone from supply lines?
I noticed that some pipes have a low flow of water, in particular hot water pipes.
I removed the limestone from faucets using vinegar, and it worked, but I noticed that the supply pipes themselves are ...
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Should I upgrade my boiler control transformer?
I have a 24V 40VA transformer for my boiler. It powers two zone valves labelled 0.9A each, and two thermostats labelled 1VA each. All of them together would draw about 45VA.
I'm now adding an ...
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Pipe coming off of boiler
wondering what the copper-colored pipe coming off of my boiler is? It's never done anything before but recently started leaking some water (not much, but that's why I've got a tray there now). And is ...
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How should this UL-listed boiler cutoff switch maintain Class 1 separation?
The Guard Dog RB-122E Low Water Cutoff is UL listed, it requires 120V AC and is capable of switching 24VAC on the control side of a boiler.
It is a self-contained metal enclosure with knockouts for ...
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Removing and replacing PRV from water boiler
The pressure relief valve on my boiler is rated for 30psi but is weeping water on the discharge line at around 25-27 psi so it seems it needs to be replaced. Unfortunately the valve does not seem to ...
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Advice on use of Boiler Reset Device in 2023
Question: I'm looking for wisdom, tips and tricks regarding installation of a "boiler reset", a device that reduces water temperature in a central heating system on moderately cold days. ...
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Where to connect a common wire to a Burnham alpine Furnace
Like many on this site I am trying to install a smart thermostat. I have 3 wires, 24V Red, white, and blue at the thermostat, but only 2 down at the boiler. My boiler is a Burnham Alpine model number ...
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What is the proper way to drain my baseboard heaters?
I am in the process of adding a new baseboard heater and I am trying to figure out the proper way to drain my system. I believe I will first need to shut off the valve on the right in the picture ...
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How can I tell if there’s enough water in a hot water boiler system that doesn’t have a pressure gauge
It has an automatic water filling system with a Watts pressure valve SB1156F but the third floor radiator was empty.
I’ve held the purge lever on the pressure valve open to fill the third floor cast ...
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Central Heating Inhibitor for underfloor heating?
I am getting quotes for annual gas boiler service. The guy was talking about adding central heating inhibitor. I have underfloor heating (gas), which he knows.
Would you still use central heating ...
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How can I move a new heavy boiler to the basement and the old one up and out?
I need help moving a new boiler into my basement and to have the old boiler removed from my basement. It will be a warranty return less than 1 year of use so the old one must be kept intact. The ...
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2 stage heat pump and condensing boiler run off one 3rd gen thermostat
I have a 2 stage 20 seer bosch heat pump utilizing aux heat strip for second stage. I also have a navien condensing combi unit for domestic and hot water baseboard heating. Currently both systems are ...
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How to increase flow without causing cavitation in hydronic heating system
I have a hydronic heating system in which water heated by a boiler is pumped around the perimeter of the house using circulator pumps. Currently the flow rate is too low, causing the boiler to ...
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Electronic boiler (water heater) stopped heating: weird cable hookup
My boiler stopped heating water yesterday. It was working fine for 1 year (I rent this home so I guess this boiler could be more than 5 yrs old.
For the debugging, I started with measuring the voltage....
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How to reduce ghost flow from boiler to indirect water tank
I recently had an indirect-water tank added to my multizone gas-powered hydronic heating system. The supply line from the boiler to the water tank heats up considerably every time one of my heating ...
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Is my basement chimney suitable for venting a gas-powered boiler?
I just purchased a home, and I am looking to install a new gas powered boiler. The current boiler vents into 100 year old chimney.
To my surprise, there is an unobstructed view from the bottom of the ...
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How to make c-wire to a new boiler using Fast-Stat common maker?
I'm seeking assistance regarding connecting a C-wire (for Ecobee) to a new boiler using the Fast-Stat common maker. The new boiler currently has two thermostat wires available for connection. However, ...
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Old house, want to update thermostat
I bought an older house (1897!) and am slowly but surely going around and repairing things and updating them. I want to update my thermostat to an ecobee one. We only have radiators and no AC, but ...
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Oil boiler, remove baseboard from entire house but keep the water heater
I have a question about removing Hydronic Baseboard but keeping the boiler and water heater in place.
Is this relatively straight forward?
Shut off power
Cut off the supply and return for the ...
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Can I use just split units for winter heating if I have both mini splits and hydronic base board heaters?
We're trying to go all-electric/solar and reduce reliance on fossil fuels. We currently have an 11 year old propane tankless combi-boiler that supplies hot water and also circulates water through a ...
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Temporary water supply shut off to a gas oil fired furance
I have a oil fired furnace that supplies all hot water to the house (the house is on well water)including base board heat. If I shut the main supply off where it enters the house in order to install a ...
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Brand new boiler only provides a 15 minute hot shower
My folks got a brand new boiler last year that is supposed to “continuously” heat water with no hot water tank. Our old system we replaced would run over an hour at least (I never once ran out of hot ...
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What's the most energy-efficient way to run a boiler?
I have an electric boiler equipped in my house, and also a timer that make me schedule the time in which I want to turn on the boiler and heat water.
I am looking for the most efficient way to run the ...
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Soft black specks coming out of the bathroom hot tap
A couple of weeks ago we noticed that black specks were coming out of the bathroom hot tap. Whatever it is is soft: if you trap a piece you can smear it across the plastic of the bath and then easily ...
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Heat and hot water only gets warm on second floor
My heat and hot water only gets warm on the second floor. When I turn on my faucet and shower the water gets hot for a second then goes to warm also when I turn my heat on it takes a really long time ...
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Hydronic heating system is not working, but still have hot water
A couple of days ago, my hydronic heating system stopped working. Thankfully, the boiler is still working though, so I still have hot water.
The details:
When no one is using hot water, the boiler ...
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In practice, is it problematic to vent a gas-fired boiler under a bay window?
I am having a 199 kBTU direct vented gas-fired combination boiler installed. Because of how the house is arranged, it's difficult to find a good place to vent the exhaust. The easiest spot is ...
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Should a supporting pump be at the bottom of it's loop?
I'm renting and the boiler is located next to my bedroom. A helper pump has been installed, but is very loud. And the boiler keeps failing, having to be reset. I heard that with water cooled CPU's the ...
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Replacing heat only thermostat
I have a two wire standard thermostat, RH & W
It is heat only for my downstairs area and has a zone valve.
To my boiler the RH wire goes up to the zone valve and the W wire is going to R location ...
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Boiler won't fire unless the water heater triggers the power exhaust fan
I have a PB MI-03-STDG-WPC boiler running on natural gas, and it's connected to a powered exhaust vent that it shares with my water heater (a separate unit). If it matters, the house is heated by ...
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How should I modify piping for a Burnham Series 2E when the Indirect Water Heater is not used?
Can you provide a sketch (and if possible, a photo of a similar layout) of the piping if I omit the Indirect Water Heater as shown in the attached image taken from page 11 of the Burnham Series 2 ...
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Why does boiler need minimal demand before heating water?
If I turn my kitchen tap on hot to a gentle stream, the boiler doesn't turn on to heat the water at all. It will stay cold forever. It's only when I unleash a jet wash torrent of gushing water out of ...
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How to wire relay for heat-pump/boiler with backup heater
I have two heat-pumps controlled by a tekmar 262 boiler control. The heat pumps heat water in a storage tank, which is then circulated through the house. The storage tank is designed for hydronic ...
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Is it a good idea to place an electric boiler on the warm water line?
I have a condensing gas boiler (tank-less) at one end of my house. I have a bathroom at the the other end of my house, at a higher level.
In the morning if I open the hot water tap it takes about 15L (...
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Why is my boiler losing pressure with no leak? [duplicate]
I have a combi boiler, this one, required to fill in 1.5 BA, 8 radiators, and heated floors in the same system.
I have a pressure loss problem, I lose ~0.3-0.4 every week without visible leakage. I ...
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diesel powered heating - identification and advice request
I bought a house and the owner is a few steps removed from the last user of the house which leaves me at a loss as to who I even need to speak to about the machines and systems.
My hope is that I can ...
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How does a Teckmar 262 boiler control determine the anti-short-cycle minimum boiler run time?
I have a ground source heat pump (econar 5T unit) being driven by a Tekmar 262 boiler control. The heat pump has anti-short-cycling protection built in; if the heat pump demand signal is turned off ...
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Boiler pressure goes up over time
I recently moved into a house which has a really old natural gas fired hot water boiler (repco)
The pressure on the gauge goes up to 40-50psi if I don’t manually let out some water from one of the ...
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Is my water heater tank system normal?
I bought a heating system a year ago for my house.
It is a water heater tank. The hot water inside is heated
when the price of electricity is cheaper during the night and
two hours in the middle of ...
user158525
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Hydronic heating not working, but have hot water
I have a Navien combo-boiler system with two hydronic baseboard heating loops hooked up to it. Our on-demand water heating (showers, etc) are working fine. Both heating loops however, are not. I have ...
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Viessmann Vitodens water temperature and pressure are inconsistent [closed]
We have a five year old Viessman Vitodens 100-W. We have noticed that this year the temperature of the hot water is not behaving as it consistently did before. There is an issue especially with the ...
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Is it safe to disconnect the condensate pipe from boiler
I, like half of the UK right now, have got a problem with my boiler, and like the majority of those people, I understand it to be a problem with a frozen/blocked condensate pipe.
I've tried doing what ...
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Help me Understand Hydronic System Boiler Circulator RPM / HP / Head / Flow / System Pressure
Help me understand the correlation between boiler circulator RPM / HP / Head / Flow / System Pressure - see the particulars at the bottom.
CASE: My 1986 boiler came with Armstrong S25 circ (same as B&...
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Electric Boiler VS Electric Radiators hard wired
My four-bed house currently has traditional heating system with a combi boiler. I am looking at ways of lowering bills due to my gas usage being well over £300 a month already and its only November!
I ...
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