Sep 28, 2008 · Wiring this boiler is very easy. here in Alaska, plumbers allowed to do high voltage on boilers and forced air furnaces. There is a backflow preventer on this boiler. Its a watts 1/2" …

Dec 10, 2010 · - 18/2 thermostat wire comes from Thermostat 1, connected to yellow wires from Zone Valve 1. Should be Transformer in series with stat and motor of zone valve.... this way …

Jun 11, 2008 · wiring a boiler and zone valves. Jump to Latest 21 - 33 of 33 Posts. 1 ...

Dec 14, 2021 · 1. When I went to switch the auto-fill valve to manual mode so it will flush the system with main line water and push the air out, I found a stop valve just upstream of the auto …

Jun 25, 2008 · I'll take a thermocouple gas valve over a intermitant or hot surface ignition. I'll take room vented over direct vent. I'll use an air scoop over a spirovent. A solid wiring job over a …

May 7, 2013 · Run boiler supply/return Pipeing as separate zone with its own circulator, & flow check and wire in a separate zone relay, then when second aquastat calls it will have its own …

Nov 14, 2021 · What kind of zone valve is it? If it’s the taco “bee hive” looking valve or the Honeywell “ball style you could definitely get a hammer when the valve closes. This could be …

Apr 3, 2021 · I have an old american standard hot water natural gas boiler and it just stopped firing up. Pilot lights are on - Bosco switch is open/on. Transformers are all showing 25-27v. …

Oct 23, 2021 · The past two years, early in the heating season, I am getting a loud buzzing noise from my boiler, which seems like it is coming from the electronically controlled natural gas …

Jan 21, 2023 · Boilers, Hot Water & Steam Heating ...