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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Vokera Boiler Emptying Pressure Automatically Emptying When Turned Off
So I've bought a new home, and it's a got a Vokera Easy Heat Plus boiler. It works great, and heats up the home cheaply and efficiently. When the boiler is on, the central heating holds water pressure ...
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Boiler Heat -3 Zones, 1 won't shut down when reaches temperature
I have a tri-level home, 3 zones with 3 individual thermostats. This is a pretty old school system. The home was built in 1969.
The mid level seems to run constant, even when the thermostat is turned ...
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Why is my heater always flowing some water under the floor?
Looking for some answers about why is there a constant audible hissing and flow in the pipes coming to my heater at home. This is electric model.
The pipe that hisses goes along the boiler and down ...
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How can I connect C-wire at 2-wire Boiler side with existing 24v transformer?
Two zones/thermostats each with 3 wire cable running from boiler room. It appears only 2 of the wires are hooked up (Red and White). There is a 3rd unused and not-hooked-up wire that is dark blue, for ...
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Two Zone Boiler System. One calls for heat, both zone return lines get hot
I have a newly replaced two zone boiler system and am having issues. One zone is the basement only, the other zone is first and second floor. I have basement zone at 70 and it functions as expected. ...
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How do I connect thermostat C-wire to Peerless boiler setup?
I’m having issues getting power to the thermostats over the C-wire. I have both an HVAC system and an oil burner (Peerless WBV -03 Boiler with a Hydrostat 3250-Plus control module). The oil burner ...
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Why won't my oil burning water heater come back on?
I have a Buderus hot water boiler with domestic hot water. It only comes on if I push the reset on the burner, comes up to temp and shuts off as it should. It happened a few times a couple of weeks ...
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Gas Water Boiler overheats only when zone3 activated
Hello I am having a problem with my gas hot water boiler heating up my Zone3 or 2nd floor. When running the boiler with Zones1 and Zones2 (basement and 1st flr) at high water heat 180F - 220F, ...
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Where do I connect thermostat C-wire to the Peerless boiler relay panel?
I’m looking to replace my existing thermostats (two zones) with smart thermostats that require a C-wire. The current thermostats do not have the C-wire connected, but the wire is already present in ...
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How would you bleed these hydronic lines?
Had to do an emergency pex repair on a section of the lines for our in-floor heat, and afterward, could not figure out the best way to bleed the lines. It was clear the way the temp shot high and the ...
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Can this drain valve be repacked?
Can this valve be packed? I've got two of them and they both leak from the stem if they are even cracked open.
On most valves the stem packing nut screws down over threads on the valve, compressing ...
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Do you see flaws in my multi heat sources & multi recirculating pump setup?
Short version:
I'm currently designing my water heating setup for a house I'm in the middle of building. Can you lend me your eyes to see if there's any fatal flaws you can see in the diagram I made?
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How can I repressurise my boiler?
My Potterton boiler is flashing an E118 error code and pressure is dropping below 0.5
I checked few videos online but those have different valves and knobs than mine. Mine have two black knobs and one ...
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Is the bleeder valve on top of the air separator above the expansion tank supposed to stay open?
I have a Navien hot water heater, it looses pressure slowly and external low water light comes on. I noticed the bleeder valve on top of the air separator is closed. If I open it, air comes out high ...
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Do I need to replace the autofill valve on my oil water heater?
I have a ~20 years old Weil-McLain Gold oil boiler connected to the forced hot water baseboard heating system in a 2-story house (two zones with separate pumps, one for every floor). The same heater ...
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Purpose of this hot water boiler pipe?
The flow of hot water in all my taps was reduced to a trickle. My thought was that there was sediment build up and the electric boiler needed to be flushed out.
The plumber quickly removed a ...
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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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