Using it with LP gas will lead to improper combustion and soot buildup

or an oversized thermostat load that exceeds the 40VA rating

According to standard field procedure

Manufactured from high-grade EPDM or spiral-wound materials

the KH-AF-1 offers adjustable stroke lengths to fine-tune the mechanical advantage and ensure full closure or opening of the damper blades

Schneider Electric (Erie) VS2313 Valve Body Els PW 17895 Using it with LP gasThe Schneider Electric (Erie) VS2313 Valve Body is a professional grade two way zone valve designed specifically for demanding low pressure steam applications and high temperature hydronic systems. Featuring a 3 4" sweat connection and a 3. 5 Cv flow coefficient, this brass valve body is part of the legendary PopTop series, known by contractors for its reliable quick release actuator mounting. This model is engineered to handle up to 15 psig steam,