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The Wayne Combustion 21993-SER6 is a 12VDC replacement motor engineered for low amp draw and consistent high-speed operation at 3850 RPM
ensuring the correct set point for the blower prover switch
While the base ZP2-HC supports 2-wire dampers
This electronic stage module interfaces seamlessly with the A350 series
single-stage 24V gas valve engineered for precision fuel regulation in residential and commercial furnaces and boilers
Laars Heating Systems RE2077700 Relay 321042-401 The Wayne Combustion 21993-SER6 isThe Laars Heating Systems RE2077700 Relay is a specialized 24V 15A 6 600S Time Delay Relay engineered for precision sequence control in commercial and residential hydronic systems. Built for heavy duty cycling, this SPDT HVAC relay manages electrical surges and prevents damaging short cycling by implementing a customizable delay range from 6 to 600 seconds. This OEM Laars replacement part is essential for protecting inducer motors and ignition modules