Converting Sears wall furnace
I have a natural gas Sears vented wall furnace model 867.730600 that came out of an old house. I'd like to convert it to use propane and use in my garage. What do I need to convert from natural gas to...
View ArticleNeed to make quick decision on replacing oil burner with gas
Been putting off replacing a very old oil burner for too long, now its late November, and my oil burner is on its last legs, and need to make a quick decision before it gets any colder. Am pretty sure...
View ArticleHow To Figure Heat Loss Anomalies
1800 sq ft well insulated house, a little north of NYC, 40kbtu heat loss, three zones: basement baseboard, main and 2nd floor large cast iron rads.1. How would one factor in that fact that main and...
View ArticleWeil McLain GV-6 Series 4 - Exhaust pressure issues
I have what I believe is a 13 year old Weil McClain (I'd have to double check the age). It's been recently serviced and everything checked out great. It's running a 5 zones of heating and they all work...
View Articlehydo therm boiler flame keep cycle off
I have an old hydro therm boiler that having trouble where the flame keep cycle off after couple mins. Im clueless when it come to these so i look at a youtube vid where they said to bleed the air out...
View ArticleBad Gas Valve?
Here's my situation: I have a airquest 90% gas forced air system for heat and AC. The heating unit is in the basement and the unit stopped working.I got a trouble code on the unit of 6 flashes +1...
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LWCO Location Choice
(See photos) Found an experienced contractor I can hire to add the LWCO and spill switch to my WM. We've eliminated the option of replacing the hi-limit with Hydrolevel combo limit and lwco. See photos...
View ArticleNavien NHB-150 vs. Bosch Greenstar 151
I live on Long Island and I am in the market for a new boiler. Existing Boiler (NTI Trinity T150) is 13 years old and is on its death bed. Had 2 plumbers to my house for quotes on new direct vent...
View ArticleBest options for hydro air backup heat?
I was ready to do an oil to gas conversion, when I decided to replace the 3 25yo ac condensers be also. I realized that i could use 2 heat pumps to heat the house instead, and it was recommended to...
View ArticleLochinvar Knight KB106 boiler. Lockouts from Temp Diff
A little less than 2 years ago we had a Lochinvar knight KB106 installed in our home to replace an old original boiler with 4 zones (installed in a large 5 ft crawl with its own loop as well). The...
View ArticleWhat size boiler.
Have a new home in progress. 60x40 main level plus a full walk out basement. 8' basement height and 9' main level height. The main level has 3" of spray foam all the way around and 30" of insulation in...
View ArticleI NEED HELP! Choosing heating option for a triplex, hot water? forced air?...
Hello wonderful people of this amazing forum. As the title says I need a bit of help. My husband and I bought a triplex built in 1917. We are rehabbing the building and need to make some decisions...
View ArticleThermostat Voltage
Lennox GSR14 Pulse. LPG. 60% in tank. Nothing is happening at furnace. No clicks, hums, nothing.120 volts in. I have approx 29 volts across R and C but have approx 14 volts across W and C at thermostat...
View Articlecombustion analyzer fieldpiece
Anyone know if these are decent enough for a HO to give his modcon a check after annual burner an HX cleanings? seems like less than the cost to have someone come and I have just done my first tear...
View Articleissue with Bryant three wire pilot
I was posting to see if anyone had a had a similar issue with a carrier/ bryant furnace that was very popular in the early 90's. The furnace in question is a Bryant model# 394gaz048125. The furnace...
View ArticleNavien NCB-240E boiler makes vibrating noise on startup and 5-10 minutes...
Good Afternoon,We have a new Navien NCB-240 in our new construction home. We use it for hot water and for hydronic heating. It worked perfectly fine for several months, but now started making loud...
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hydro therm boiler flame keep turning off
The burner flame keep turn off after couple mins not the pilot light. To turn the flame back on, I need to switch the power on and off and sometime the flame stay lit , most other time i need to do it...
View ArticleAnyone have any expierence, W-M Aquabalance
I'm getting ready to do a couple of installs, thinking of trying the Aquabalance. Rep said "it's made by an Italian company" so I'm assuming it's a rebadge of Biasi or similar. I have little expierence...
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Zone is not heating
So, you all helped me with a big upgrade on my main zone, new circ pump, new wifi stat, iso valves, etc. This was all for my upstairs zone. Now my downstair zone will not heat up. The stat is calling...
View ArticleWhy do 5:1 or even 10:1 Turndown mod cons need a huge buffer tank?
A great thread awhile back had one pro-poster write that the even a 10:1 boiler had a hard time running a single 60ft zone of baseboard at 48F outdoor temp, and a 5:1 boiler trouble with outside temps...
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