California Proposition 65 Warning:

The C75-140 specification ensures the unit manages circuit engagement and disengagement within critical temperature and timing windows to prevent short cycling and mechanical fatigue

Key Benefits Verified OEM Compatibility: Purpose-built for the 157-R Series to ensure correct alignment of internal float linkages and bellows assemblies

making it a versatile HVAC valve component for both residential and large-scale commercial heating and cooling systems

this motor is suitable for domestic hot water recirculation loops

York S1-4HK16500806 Heat Kit 321142-301 California Proposition 65 Warning:The York S1 4HK16500806 Heat Kit is a heavy duty 8kW electric heater specifically engineered for seamless integration into York air handlers (AHP, SHP, AV, SV, MA, and MV series). As a veteran preferred 8kW electric heat kit with breaker, this unit provides critical supplemental heating and serves as a primary heat source in mild climates. The single phase 208 230V design incorporates a dedicated circuit breaker for integrated over current protection,