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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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 ...
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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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How do I flush my forced hot water zones?
I have a weil-mclain boiler with four zones and an indirect hot water tank. How do I purge/flush each of the zones? I would guess the following:
Turn off the gas and electricity to boiler and connect ...
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1 of 6 radiators doesn't get hot
Situation:
5 out of 6 radiators never fail to get hot.
For the 1 defective radiator, the pipe south of the valve is ice cold leading me to believe its not an issue with air in the radiator.
3 out of ...
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Why would oil-fired hydronic boiler short cycle
This is a hydronic heating system at a family member's house -- oil-fired hot water baseboards with two zones, one for each floor. The bedrooms get hot and the bathroom / dining room / living room ...
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How to install C wire in this setup?
I know this question has generally been asked but every system is different and I’ve seen nothing like mine.
I have a tankless water boiler for baseboard heat with a separate electrical control panel ...
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Why won't my Vaillant thermostat's remote control pair with the base unit?
A couple of months ago I installed a brand new Vaillant room thermostat (VRT 350f) for my quite old Vaillant boiler (ecoTEC plus 937). It was a breeze to install and did its job perfectly until ...
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Increase pressure on. Vitodens 200w boiler
I have a vitodens 200-w boiler with 4 zones. The pressure gauge reads 0 so no heat. I can hear water flowing through the pipes.
How do I increase the pressure? Or do I need to call a repair company?
I ...
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Replacing Drayton Boiler Control with something Home Assistant Compatible
So I've got this Drayton controller on my oil-based boiler.
I've just pulled it off the wall to see what kind of connector it has, and its' got a weird connector with a whole bunch of pins on it, ...
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Is it normal for a circulator pump on a residential boiler to get hot if the boiler is off?
So, I called a company to take a look at my boiler because I was having issues with the standing pilot light going out overnight. When they showed up, the flame had been out for over 24 hours and the ...
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How can we be more energy-efficient in heating our water? [closed]
We live in a very large, old house (in the UK) with 8 bedrooms, heated by an Ideal Instinct Heat 60 boiler (about six years old) supplying 32 radiators and a 295-litre (65 gallon) water cylinder. With ...
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Oil furnace keeps locking out [closed]
My oil furnace keeps locking out on a daily basis. The reset button causes it to start, but within a day it always locks out again, usually overnight.
The boiler is a Buderus and the burner is a ...
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My Laars mighty therm won't keep a flame
I have a Laars mighty therm when I press the button to lite the pilot flame is on when I release it doesn't stay lit changed thermocouple twice heated the coupler for a while still nothing
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Home Heating - Oil Boiler vs Propane Tankless
My house has redundant systems for both domestic hot water and hydronic heating (baseboard and radiant floor). I can pick and choose which system I'm running. We also have several mini-split heat ...
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Procedure to pressure test a boiler for cracks?
What is the procedure to pressure test a house heater boiler, and the rest of the system? My plan is to remove any broken radiators and put in place a temporary PEX line between the inlet/outlet so ...
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Boiler Maintenance - hiring somebody to do it [closed]
The gas boiler in our home is 9 years old and it has never been serviced. I feel it is due for service. One local Plumber / Heating company says they will do the work we want
done for $329. I consider ...
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How to Cap off Broken Hot Water Radiators in Heating System and then Pressure Test System
I'm working on a house and I want to remove a few broken hot water radiators (Freeze Damage) so I can test the rest of the system for leaks and integrity.
Capping Off Broken Radiators, or run a ...
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Changing 9D back flow preventer valve on the boilers
I need to change the 9D back flow preventer valve on my boiler system and I want to avoid draining it.
Would it help if I close the 2 circled valves on the pic below?
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Does a Fireplace ash pit (chute) in basement wall affect hydronic gas heating boiler ventilation?
I have a fireplace ash pit (chute) in the basement wall (on the inside), about 3 feet from a hydronic natural gas water boiler (boiler for home heating, NOT a water heater). The pit is used to ...
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Black iron boiler loop for modern (Noritz) combi-boiler?
I've seen, on the interwebs, that black iron piping can be used for primary boiler loops, especially when boiler itself is cast iron. But is black iron okay/recommended for modern condensing combi-...
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When to use the IFC Integral Flow Check in TACO circulator
My hydronic natural gas boiler came with a Armstrong S25 circulator. I will replace the Armstrong S25 circulator with a TACO 0010-F3 IFC (the closest equivalent). The Armstrong does not have a flow ...
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Help identify NG boiler popping sound
Help me identify cause of popping sounds coming from a hydronic natural gas boiler (for home heating, NOT a water heater): 2 or 3 pops occur after burners light up, within 10-15 seconds, never at any ...
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Back eco blue advanced 28 boiler pressure
Good morning, I have a baxi boiler ecoblue advanced 28. Picture same as the one above. Could you tell please which direction should all the vqlves be facing as seems to be very high pressure when not ...
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Repressurise Baxi boiler
I'm having trouble repressurising my Baxi boiler. No matter what I do the blue valve on the left just won't budge! Tried pushing it towards me and the wall. Any ideas?
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Odd noise from boiler and lockouts
Can anyone tell me what the noise is from my boiler at just before 6 seconds when the boiler fails to light and again at about 25 seconds when it does light successfully.
Boiler noise video
It sounds ...
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Can I replace one hot water radiator with electric underfloor heat?
My home in NJ, USA uses has gas-fired hot water radiators for heat. I am renovating the bathroom and will be adding underfloor heat. The bathroom has a radiator that I'd like to eliminate.
I don't ...
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Why is my boiler leaking?
We noticed our boiler leaking today. It seems it is coming from the overflow of our expansion tank. Can anyone offer any assistance as to why this could be happening?
To our knowledge, this has not ...
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What is this box attached to the back of the house?
The house was constructed around 2000. I can't find any kind of identifying markings, and it's in the back of the house above the boiler (not near any incoming utilities which are in the front). It'...
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Two transformers connected to boiler, no A/C
My HBSmith boiler honeywell circuit box has a 2-wire from transformer to the thermostat. Then there is another transformer on the ceiling that has conduit to the same circuit box, but different ...
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Can you use a tankless combi boiler ONLY for central heating?
We're looking into replacing our boiler. The current one is tankless and only provides hot water for heating on a closed loop. There is an entirely separate electric HW tank & plumbing for '...
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Is primary/secondary system the right setup for condensing boiler?
Recently we've just installed Lochinvar NKC199N by a local contractor here, using liquid propane. Since this is a condensing combi-boiler, I understand that it will be running up to 95% efficient when ...
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Viessmann Vitodens 333-F set Temperature is stuck at 5 °C
My Viessmann Vitodens 333-F does not start the gas burner automatically.
Here is what I checked so far after logging in with viservice for the service menu and viexpert for the parameter Level 2 menu.
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