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My hot water htg.boiler's pressure relief valve opens
My hot water htg.boiler's pressure relief valve opens shortly after boiler fires up. Do you think my bladder-type expansion tank may have failed? … read more
Rick
Rick
HVAC Supervisor
25,739 satisfied customers
Rick, I have no DHW. I have a Viessmann Vitodens boiler and
Hi Rick, I have no DHW. I have a Viessmann Vitodens boiler and a Heat-Flo indirect 60 gallon hot water tank. They are controlled by a Tekmar 370, set to DHW priority. I have three radiant heat zones a… read more
Rick
Rick
HVAC Supervisor
25,739 satisfied customers
I have an oil fired boiler and the pressure relief valve is
I have an oil fired boiler and the pressure relief valve is dripping a lot , this valve was replaced less then a year ago for the same issue and the pressure tank was also replace. the pressure gauge … read more
Rick
Rick
HVAC Supervisor
25,739 satisfied customers
Wiring 2 ganged SR504's to a tekmar 260. The tekmar 260 is
the tekmar 260 is new the sr504's are 20 years installed with 7 zones and dhw priority … read more
Rick
Rick
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I have an old HE-5 Weil-McLain Cast Iron Boiler for my
I have an old HE-5 Weil-McLain Cast Iron Boiler for my natural gas DHW and 3 zone baseboard heating system with a single Taco 007 speed circulator pump and 3 zone valves. I have been reviewing NG Boil… read more
Rick
Rick
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Is it possible that a Rodgers valve stops closing the limit
Is it possible that a White Rodgers valve stops closing the limit contacts when it gets too hot? I'm troubleshooting an indirect water heater problem where the Tekmar doesn't initiate a call for heat.… read more
Rick
Rick
HVAC Supervisor
25,739 satisfied customers
Rick, I need to verify the wiring to a Rodgers zone valve
Rick, I need to verify the wiring to a White Rodgers zone valve used to heat DHW. Attached is the current wiring. Is this correct? The transformer seems to have been burned out and don't know if the w… read more
Rick
Rick
HVAC Supervisor
25,739 satisfied customers
I have a gas boiler - munchkin - that is short firing. It's
I have a gas boiler - munchkin - that is short firing. It's causing our indirect hot water heater and radiant heating to be very inconsistent temperature wise. An expert I already spoke with believes … read more
Rick
Rick
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25,739 satisfied customers
Have a Burnham SP4-NI gas fired boiler with a indirect water
Have a Burnham SP4-NI gas fired boiler with a indirect water heater . DHW pump is calling, boiler will not fire Has electronic igniter, inducer motor on boiler… read more
Rick
Rick
HVAC Supervisor
25,739 satisfied customers
I have a Weil McLain gas-fired boiler controlled by a Tekmar
I have a Weil McLain gas-fired boiler controlled by a Tekmar 371, including a DHW loop. The house gets cold when the outside temp drops and especially when the wind blows - seems like the system can't… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,965 satisfied customers
I have a triangle tube challenger cc125 combi boiler 124K btus
I have a triangle tube challenger cc125 combi boiler 124K btus and only have sufficient water flow to run one shower at 2 gpm. If you turn another faucet on the pressure drops. My tech suggested addin… read more
Rick
Rick
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25,739 satisfied customers
WATER IN BOILER SYSTEM TURNS TO STEAM AND POPS OFF RELIEF WHILE
WATER IN BOILER SYSTEM TURNS TO STEAM AND POPS OFF RELIEF WHILE TEMP GAUGE SHOWS ONLY 170 DEGREES AND BURNER IS SET TO TURN OFF AT 160… read more
Rick
Rick
HVAC Supervisor
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Hello: I have a 12 yr old Crown 119 BDS LC boiler with a Honeywell
Hello: I have a 12 yr old Crown 119 BDS LC boiler with a Honeywell basic control with a high, low and 15/20 controller; connected to a forced fan vent and an indirect megastor water heater and 2 hydro… read more
Rick
Rick
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Weil Mclain GV-6 series 2 boiler is short cycling. Approx two
Weil Mclain GV-6 series 2 boiler is short cycling. Approx two minute rotation. If gauge is correct output temp is 140f at 15psi. System is not maintaining temperature in house at single digit outside … read more
Rick
Rick
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25,739 satisfied customers
I have just installed a Harmon wood/coal boiler and tyed it
I have just installed a Harmon wood/coal boiler and tyed it into my exhisting gas fired boiler. The installation instructions from Harmon were followed and we even added an extra expansion tank to the… read more
Rick
Rick
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I have a Lennox furnace in a hot water heating system. The
I have a Lennox furnace in a hot water heating system. The bladder type expansion tank is installed besides the furnace. There is banging in the piping. There is also a cracking noise but this I belie… read more
Rick
Rick
HVAC Supervisor
25,739 satisfied customers
Weil mclane oil boiler I have a pail under the pressure relief
Weil mclane oil boiler I have a pail under the pressure relief valve and have to empty it daily. The valve does not release due to pressure but allows water to pass by it. I replaced the pressure reli… read more
Rick
Rick
HVAC Supervisor
25,739 satisfied customers
I am about to select a new heat/hot water system for my home
I am about to select a new heat/hot water system for my home (oil to natural gas conversion). One quote is for a separate, direct AO Smith Hot water heater and a Buderus GB142/23 boiler. The other quo… read more
Rick
Rick
HVAC Supervisor
25,739 satisfied customers
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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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