ND flared 19% of its natural gas production in 2019
This sort of thing gives you an idea of the magnitude of excess nat gas production these days. In North Dakota alone, they flared 560 Million CuFt/day of it, presumably due to having no mechanism to...
View Articledesigning for lower temperatures
what's the best way to design for lower temperatures in a boiler/radiator system, in your opinion? three things I'm curious about: 1) what's the best way to increase radiator size? is it advisable to...
View ArticleWater at bottom of Condensate Drain Pan
Have a Guardian RGF19080BP12MP11A that has water in the vestibule. It looked like there was a crack in the condensate drain pan, replaced it and now is still leaking at the same place (at bottom of...
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Navien Cr 210/ Navien Heatbox issues. Help Needed
Hello, I have a Navien CR210 and Navien HBC 100 closed loop heat box setup. The domestic side is a dual head shower and sink, the floor heat side is a 150sq/ft room and the seating in the shower (we...
View ArticleGV-90+ Ignition problems
I have a GV-90+4 boiler that acts funny: When there is no demand for heat for a long time (e.g. a few hrs) and thus the temperature of the water inside it drops below 120F, on the next heat demand, it...
View ArticleYork furnace flashing a 10 code
Our furnace has been working great for the last 9 years, have only had to replace the exhaust blower. So I checked the wiring, vacuum switches, cleaned the flame detector, and checked the ignitor. Any...
View Article150 kBTU pool heater question
I am planning on installing a 150 kBTU pool heater and the gas line installation would be so much easier if I can replace the gas line to my gas fireplace with a 1” pipe vs the current 1/2” pipe....
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Cold water turns on combi boiler
Hello everyone, I have a quick question. I've noticed recently that when I turn on cold water ie faucet, hose etc, it trips the combi boiler to either turn on or leave heating mode and go into DHW...
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Help replacing a pressure reducing valve
I assume this pressure reducing valve is no good but can I replace it without draining my entire heating system (called drain down?)? The 3/4” pipe on the left is a return from the first or second...
View ArticleTrain XL 80 - worked fine until yesterday
Running a nest to control the XL 80, its only about 8 years old. The Nest first reported no power to the Rh wire. Swapped out the nest, same issue. Anything I can look at, as the furnace seems to be in...
View ArticleNewbie here
Hi, As the title says I’m new at this. I have a problem which I’ve sort of worked thru. Up to a point anyway. We have. Weil-Mac boiler. The vent damper a johnson controls unit is stuck in the open...
View Articledunkirk condensating dcb 165 wall mount High Efficiency boiler error 128
boiler ran fine after new install in October, now error 128 loss of flame appears every 2-3 days? Could the sensing electro have gone bad already, would it cause this code? Gas pressure is fine. Mbh is...
View ArticleEmpire Direct Vent Wall Heater model DV215 LP Gas
I replaced my gas valve, took apart the main Lp gas burner cleaned it all out. Replaced all the gaskets, new pilot tubing etc. The main burner does not burn like it use to only small flame across the...
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Primary/Secondary Boiler Plumbing Question
Hi All - I was looking at my in-law's Viessman boiler installation, and something struck me as not right about it. It's plumbed for 4 zones and a DHW tank. It looks like this: What doesn't look right...
View ArticleZVC-406 Extra 24V terminals...
Having an issue with how to land 18 gauge wires at the (4) spare 24 terminals. Can someone please tell me how to land these? I have unscrewed them all the way but cannot seem to push the wire to where...
View ArticleDesign updates for ModCon Boiler in 100 year old high mass gravity system
I have a 1928 house with original expansion tank and piping in a series-parallel configuration (2" primary and 1" and 3/4" radiator feeds). The system was last updated 30-40 years ago when a 145K BTU...
View ArticleCarlin EZ Pro gas conversion vs a High Efficiency Combi Unit
Hello. I live on Long Island NY. My house was built in 1964. We have oil fuel with hot water baseboard heating. The oil tank might be original, Alpha Tank Company Long Island City. It’s not leaking but...
View ArticleLocknivar NKC199N Combi boiler steady dripping from pressure outlet pipe
My Locknivar noble nkc 199 boiler is steadily leaking from pressure outlet pipe. Pressure looks low though (10psi). Any ides what could be going wrong?
View ArticleYork P2MPD08N04801B furnace won’t light
Hi! I’ve had problems all winter with this furnace. Replaced the inducer motor, pressure switch, high limit switch, and flame sensor. After replacing the inducer motor and pressure switch, it has...
View ArticleGas line to outbuilding - sizing questions
I posted on another website and the recommendation was for a 1" line, but when I called the local HVAC place (without sizing anything) the guy I talked with said to go with 1-1/4" pipe. This is my...
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