pump locations when adding a low-loss header
I am working with my heating contractor to add a low-loss header to my heating system. Since the system was originally installed with the pumps on the return lines, can they remain there, or do we need...
View ArticleHow to drain a Munchkin Boiler
We will be working out of state this winter and I would like to drain the boiler when we're not there, I haven't quite figured out how to do that yet. I turned off the gas, turned off the power switch...
View ArticleHoneywell SV9502 Smart Valve
Own a 1999 Armstrong Ultra SX90 Gas furnace. I did all my voltage checks and got 24 volts on the connectors. What is happening is that the hot surface ignitor glows red, the pilot comes on briefly then...
View ArticleZone Valve staying open after thermostat finishes calling for heat
Hi all, hoping someone can help me. My home is heated by FHW baseboard and gas. I have 4 zones. The one zone that is giving me issues is for my living room. It doesn't happen all the time. I have the...
View ArticleHow to descale residential boiler
Hi. I have a gas boiler. The boiler bangs and knocks very loudly after it warms up. The pipes running through the house do not. I thought all that noise was due to lime and scale build up in the...
View ArticleArmstrong GUK075D14-3A Gas Furnace
Can someone here give me detailed instructions on how to remove the burner cover to access the flame rod and the igniter? I dont want to have to remove the gas valve if I dont have to. Pictures would...
View ArticleOversize supply and return for possible future expansion
I'm replacing an old cast iron 80,000BTU boiler with a Rinnai E50c in our 1840 house that we've been insulating and replacing windows in. The old system has 2 zones with zone valves. I'm changing it to...
View ArticleUpdating 35 year old heating system
I am upgrading my heating system in steps and need some advice on how to proceed. Last year I installed a Weil-Mclain GV90+2 that heats two zones (upstairs/down stairs). The system has two Honeywell...
View ArticleNew Honeywell Gas Valve Not Sending Gas
Honeywell Gas Valve WV8840B1110 Water Heater N50T61-403 Our water heater recently stopped igniting. After checking the pilot assembly for any obvious reasons for failure, we deduced that the ignitor...
View ArticleSolution boilers
Solution boilers I live in Michigan and I was wondering what I should have my differential and my high fire set at
View ArticleFlow regulation
What is the better throttling valve, Ball, Gate or something else? Thanks
View ArticleRinnai E50C air scoop and expansion tank
One last (I hope) question about my E50c. The install manual shows the air scoop and expansion tank on the return side, close to the low loss header. A Rinnai system piping manual for the same E50C has...
View ArticleOil To Gas Conversion, three options
Hello all, I bought my home last year and consumed what i consider to be too much oil last year. I have gas lines on my street so I think converting will be a great investment and pay for its self over...
View ArticlePeerless PI-80 rev1 error code F13
My Peerless PINNACLE PI-80 rev1 runs for approximately 20 to 30 minutes and then shuts down and shows error code F13. The manual says to Replace the combustion air fan or Replace the control board in...
View ArticleGB142 propane burner capacity setting
Hi. I have a Buderus Propane GB142. It was a long process to get it figured out after an installer that wasn’t really as familiar with it as they should. The open question I’m left with is the boiler...
View ArticleHelp determine the right circulator pump needed
Hi all, thanks for reading, We recently got a building of 4 stories and 4 1BR apartments on each floor. The building has hot water heating using 3 peerless flex heat boilers (also supplying domestic...
View ArticleReplacing steam oil boiler with gas
I’m replacing an old oil steam boiler with a gas boiler. The oil boiler cracked (water spewing out the side) last winter after it was winterized by a boiler technician. Fortunately insurance is...
View ArticleRegular mod con maintenance
Hi, What are the typical things done during a mod con boiler yearly maintenance? How about for a Weil McLain aquabalance.. ?
View ArticleHydrofill Question
So lately Ive been helping several buddies build water pole fed window washing machines, they consist of a big R.O filter, a carbon filter, a couple gauges and a D.I setup like the caleffi hydrofill....
View ArticleLochinvar KHN “too many recyclings” fault
I just started a KHN055 on Friday. Apparently I accidentally left the gas off after removing my manometer during startup testing. The homeowner(also the owner of the company I work for) discovered this...
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