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The Cleveland Controls AFS-438 is rated for a maximum pressure of 0
and AD1094C amplifiers
ASME Section IV Certified: Specifically calibrated for low-pressure steam boiler safety compliance
Durable Construction: High-strength aluminum housing with a corrosion-resistant finish for extended service life in mechanical rooms
York S1-THEC11NY Thermostat 322838-752 The Cleveland Controls AFS-438 isThe York S1 THEC11NY Thermostat is a professional grade, 1H 1C non programmable thermostat engineered for contractors who prioritize reliability and straightforward operation in the field. This unit is a versatile solution for single stage heating and cooling systems, featuring a wide range of compatibility including gas electric, heat pumps (without auxiliary heat), and hydronic heating applications. Designed with separate RC and RH terminals, it
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