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2 stage gas valves

clammy Member Posts: 3,113
just wondering what you guys who convert single stage gas units to 2 stage ,what u using honeywell or maxitrol .The main reason is that all the supply house i deal with have not a clue nor do most of the gentlemen that i have contact with either .Most would just watch a boiler short cycle instead of doing some thing about it and as for the supply houses there ain t no real counter guys w any tech info like days of old .would love some insight into the maxitrol eva series if anyone has used thanks clammy
R.A. Calmbacher L.L.C. HVAC
NJ Master HVAC Lic.
Mahwah, NJ
Specializing in steam and hydronic heating