NettetSo, I replaced all the radiator vents--someone had installed verivalves on all radiators--and I put shot glasses over them, and found a significant amount of condensation during a cycle--so, I replaced all of them with what was the original valve for the system --Hoffman no 40s--i know this because the person left the old valves in the enclosures--so I … NettetHoffman 1A Radiator Steam Vent Air Valve 1/8" NPT Angle 1.5 PSI (401422) List Price $88.48 $61.27 / each. SKU: HK1005. 24 in stock Ships today if ordered by 3:00 PM …
Hoffman 43 1/4" Straight Steam Convector Air Vent
Nettet12. aug. 2011 · Hoffman Model 41 Part No. 401455, 1/8" Straight Steam Convector Air Valve (non-vacuum). Used to vent air from radiators and convectors L41-571 has six port settings for true proportional venting; others have a single non-adjustable port Max. pressure: 10 PSI For small steam systems NettetHoffman radiator steam vents including models 1A, 70A and model 40 in stock. Toggle menu. Welcome to National Pump Supply! 1-800-781-7405; Sign In or Register; ... ghost gear program dfo
Steam Vent Types, Choices & Selection - InspectAPedia
Nettet28. feb. 2014 · Hoffman #77: Hoffman Steam Air Line Valve: No. 3 : Hoffman Steam Vent - radiators : No. 40: Angle - Side Inlet: 1/8" 6 psi : Hoffman Steam Vent - convectors : No. 41: Bottom Inlet: 1/8" 6 psi : THERMOSTATICALLY-CONTROLLED. No-Float type vents : 2-Pipe Steam Radiator Valves & Traps. See STEAM TRAPS. and RADIATOR … NettetHoffman Specialty was founded in 1913 by George D. Hoffman by introducing the Hoffman No. 1 Automatic Siphon Air Vent Valve for steam radiators and was acquired … NettetHoffman #70A Angle Steam Radiator Air Valve 1/8" Regular price $80 37 $80.37. Maid-O-Mist #4 Straight Air Valve 1/4" Regular price $13 86 $13.86. Sold Out. Hoffman … frontend job intern