Laars Heating Systems RE2077700 Relay 321042-401 This electronic stage module interfaces

This electronic stage module interfaces seamlessly with the A350 series

While the base ZP2-HC supports 2-wire dampers

or if there is visible evidence of soot

this normally open switch is calibrated to a precise 0

Laars Heating Systems RE2077700 Relay 321042-401 This electronic stage module interfacesThe 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