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the 22307801 OEM relay prevents overheating and electrical hazards within the control cabinet
often referred to as a 10-inch blower mount configuration
these part numbers are identical in technical specification and fitment
Extended Capillary Reach: The 30-inch lead provides flexibility for various sensing bulb placements on the suction line
indicating the SPDT contacts have switched state
Siemens Building Technology 188-0033 Thermostat 320074-702 the 22307801 OEM relay preventsThe Siemens Building Technology 188 0033 is a specialized unit mounted hot water replacement thermostat engineered for high demand commercial heating applications. Designed specifically for hydronic HVAC heating control, this analog controller provides precise temperature regulation for terminal units including fan coils and unit heaters. As a critical HVAC replacement part, it enables contractors to restore legacy system performance without the
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