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Amtrol 399678; 444-1 Air Scoop (125PSI, 1-1/4in)
$44.09Product DetailsMaterialCast IronConnection TypeFNPT x FNPTMax Pressure (PSI)125 PSISize (In)1-1/4 inMax Temp (F)240 °FDescriptionThe water that is used initially to fill a hot water heating system contains dissolved air. Make-up water subsequent added... -
Bell & Gossett 112013; ATF-24 Airtrol Fitting (175PSI, 1/2in)
$207.62Product DetailsMaterialCast IronConnection TypeFNPT x FNPTMax Pressure175 PSISize (In)1/2 inMax Temp (F)250 °FDescriptionAirtrol Tank Fittings help establish the proper initial liquid level in the compression tank when filling the hydronic system. They... -
Bell & Gossett 113001; 7 Air Vent (75PSI, 1/8in)
$99.89Product DetailsMaterialBrassMax Pressure75 PSISize (In)1/8 inMax Temp (F)240 °FDescriptionAir Vent, 1/8 in. Female, Fits Brand Multiple, For Use With Universal.1130017Hoffman SpecialtyBell & GossettITT Hoffman Specialty -
Bell & Gossett 113020 Air Vent (35PSI, 1/8in)
$62.67Product DetailsMaterialBrassConnection TypeThreadedMax Pressure35 PSISize (In)1/8 inMax Temp (F)240 °FDescriptionModel No. 67, 1/8" Automatic Air Vent (Male Threaded).113020Hoffman SpecialtyBell & GossettITT Hoffman Specialty -
Bell & Gossett 113021; 87 Air Vent (150PSI, 1/2 x 3/4in)
$142.87Product DetailsMaterialBrassConnection TypeThreadedMax Pressure150 PSISize (In)1/2 x 3/4 inMax Temp (F)240 °FDescriptionAutomatic Air Vent, Max. Working Pressure (PSI) 150, 3/4 In. MNPT, 1/2 In. FNPT Inlet, Height (In.) 4-3/4, Width (In.) 2-1/4, Brass, ... -
Caleffi 250041A Air Vent (150PSI, 1/2in)
$55.00Product DetailsMaterialBrassConnection TypeMNPTMax Pressure150 PSISize (In)1/2 inMax Temp (F)360 °FDescriptionAutomatic air vents are used in the closed circuits of solar heating systems. They allow air contained in the fluid to be released automatically... -
Caleffi 502015A Air Vent (150PSI, 1/8in)
$21.00Product DetailsMaterialBrassConnection TypeMale ThreadedMax Pressure150 PSISize (In)1/8 inMax Temp (F)250 °FDescriptionThe Caleffi High Capacity Automatic Air Vent 1/8" NPT Male is designed to remove trapped air that accumulates in heating and air... -
Caleffi 502343A Air Vent (150PSI, 1/2in)
$39.09Product DetailsMaterialBrassConnection TypeMNPTMax Pressure150 PSISize (In)1/2 inMax Temp (F)250 °FDescriptionAutomatic air vents are designed to remove trapped air that accumulates in heating and air conditioning systems automatically. Air removal... -
Caleffi 502610A Air Vent (150PSI, 1/8in)
$17.13Product DetailsMaterialBrassConnection TypeMNPTMax Pressure150 PSISize (In)1/8 inMax Temp (F)250 °FDescription High capacity float type automatic air vent designed for use on manifolds or pipes in sealed heating systems. Check valve on 5023 series...