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Duotone terrace — saffron brief on the left, garden-folded ledger on the right.
Because the Carrier HD42AR228 utilizes an ECM controller
pilot-operated performance is non-negotiable
Reliable Logic: Provides dependable SPST switching for singular zone control or as an intermediate relay in larger sequencing panels
Always check the motor nameplate during installation as capacitor requirements can vary based on specific revision levels
These are used interchangeably in 17
Lochinvar & A.O. Smith 100110096 Limit Switch 321042-401 Because the Carrier HD42AR228 utilizesIn the field, a tripped Lochinvar & A. O. Smith 100110096 Manual Reset Limit Switch is a clear signal of an over temperature condition that requires immediate professional attention. This OEM high limit safety switch is engineered to monitor heat exchanger and combustion chamber temperatures, providing a critical fail safe by opening the electrical circuit when safety temperature thresholds are exceeded. Designed for high output Lochinvar boilers and