Resideo R841D1036 Relay 321042-401 or an 'open circuit' reading

or an 'open circuit' reading on the 310V DC leads

or frost buildup on the evaporator coil

the 25B77 manages critical timing

Which control signals are compatible with this model

The 10 mm single-ended shaft and standard internal auxiliary switches provide a reversing actuator solution that simplifies the coordination of multi-stage firing sequences

Resideo R841D1036 Relay 321042-401 or an 'open circuit' readingThe Resideo R841D1036 Electronic Heating Relay is a specialized low voltage relay engineered for precise control of electric heating equipment. Designed with a 24Vac coil rating, this SPST switching component provides reliable high amperage handling for baseboard heaters, radiant cables, and duct heaters. The unit is rated for 22 Amp resistive loads at 120 208 240Vac and 19 Amp at 277Vac, ensuring compatibility with standard commercial and residential