Lochinvar Knight boiler that sometimes makes a loud singular BANG, upon...
Hello All, I have a Lochinvar Knight boiler that sometimes makes a loud singular BANG, upon firing up. It is very similar with the thread from aksteveex from March 2017 in Gas Heating. Ironman had the...
View ArticleLimitations/Advantages of 'Batch Heaters' like Versa Hydro
Given that my chimney guy is undergoing foot surgery that will seriously delay our proposed atmospheric boiler install, I'm having to again look at the Versa Hydro. I have just recently grasped that...
View ArticleMunchkin School . . . i.e. can you school me.
Two specific questions. This is a pair of pre Rev. 140Ms that got the 925 upgrade. The manual for 925 style REV 1 shows a specific adjustment for the Dungs gas valve for combustion adjustment, but the...
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weil mclain ultra 155 setting help?
My boiler keeps on modulating all the time ever since it had its latest maintenance. The boiler was maintained in August 2018 full cleaning and changing of all the gaskets by a contractor. Now boiler...
View ArticleBad gas valve?
I have a ceiling hung gas reznor heater-about 60k btu, in my warehouse. Today, this heater wasn’t getting up to temp as quickly as usual. I investigated and noted that the flame seemed to be very...
View ArticleProblem With my Weil-McLAIN Boiler
Okay so I just bought my house back in the summer, I have a Weil-McLAIN Boiler its a 2014 model in the house and its been doing good, but now its making a weird rattling sound and its really loud, its...
View Articlewhat outdoor sensor do i need for IBC modcon boiler?
I know that there are several out there and they all look more or less the same (same OEM?) just want to know which sensor will work and whether I need to change any settings to get it to do its thing....
View ArticleIs the Pressure level normal?
Hi, I am a newbie. I have a silly question to ask about my Williamson steam boiler. Is it normal that when thermostat calls for heat, the boiler runs abt 10min till pressure hits 5psi and it stop for a...
View Articlebback up heat
hi all im currently doing my house and ran radiant heating on every floor, the 2nd floor is mounted under the sub floor with heat transfer plates, im going to be adding central air on the 2nd floor and...
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Boiler not holding water pressure
So I have a water heater and boiler that seems to work fine, the pilot light is lit but no heat is coming through vents. The boiler temperature itself is showing about 70 degrees but water pressure psi...
View ArticleYork Unit Running But No Heat
I have a York Model # G8C07512MUB11A. The heater seemed to be coming on but was blowing cold air. I checked the circuit breaker, thermostat settings and batteries -all good. Then went to the attic. I...
View ArticleLooking for the smallest BTU input condensing gas boiler
What manufacture has the smallest BTU input gas condensing boiler? Burnham, Lochinvar, Weil Mclain, HTP, peerlees, Navien, Bosch, Rinnai, ICB, NIT or any other condensing heating boiler only. What is...
View ArticleGas boiler question - Weil Mclain
New to the site and have a quick question: Gas boiler in house for heat and domestic hot water. Have four thermostats in the house - simple Honeywell dials - but don't see any zone valves on the...
View Article75 PSI relief too high?
Home Inspector mentioned this, I don't want to bring it up to the association without some merit. 3-story building, 12 units, 1 weil-mclain boiler that heats all units and a large water heater......
View ArticleInternal Circ pump Burnham Revolution RV5SL-L2
I have a serious leak coming form my internal circ pump on my furnace. Unfortunately for me the install kiddie cornered it. I have 4 inches on the left 3 on the back. Anyway I'd rather not get a whole...
View ArticleValiant boiler
Seems like my expansion tank is reversed or that they put the water Feeder on the supply side instead of the return. Can anyone tell me which side is the return and supply on a 100000 btu vallaint gas...
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Sizing Natural Gas Piping For New Boiler
Installing new atmospheric 70mbh boiler and Turbomax; 3/4 line runs from meter 32 ft into boiler, 9 Els @ 2ft per EL, so figuring 50 ft total run to boiler. After boiler, the line goes on to 22mbh...
View ArticleUtica mac150
Anyone have a utica mac 150 issues? I have a never ending problem on a 2 year old boiler keeps locking out on e53 which states blocked flue. Flue is not blocked and went as far as changing to a 2 pipe...
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How to purge heating zones when return valaves look reversed?
Hi gang, first time looking to purge zones since one of the zones aren't heating up. The issue is that the ball valves from videos I've seen are located after the purge valves. In my case, the ball...
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