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This hydraulic thermostat utilizes a precision-machined snap-action mechanism to provide immediate gas flow interruption or engagement
it supports direct-coupled mounting to both round and square damper shafts
Check the temperature differential across the valve
it is the correct choice for systems using distributors or those with significant pressure drops across the evaporator
this component is the preferred choice for technicians requiring a robust replacement for residential and light commercial condensing units
Schneider Electric (Erie) VS2221 Valve Body 320819-301 This hydraulic thermostat utilizes aThe Schneider Electric (Erie) VS2221 Valve Body is a robust 1 2 inch NPT two way assembly engineered for low pressure steam and hydronic zone control. Designed for high cycle performance in commercial HVAC systems, this brass zone valve body features a 1. 0 Cv flow coefficient, ensuring precise regulation of terminal units. It utilizes a two position, spring return operation when paired with compatible Erie PopTop actuators, simplifying field
