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Smith 100346612 Burner Assembly is the only way to ensure the system returns to its original factory specifications
Can I use a 115V motor to replace this unit
the valve can be disassembled in-line for maintenance without cutting copper
serving as the direct professional replacement for the legacy CRDS05 model
Aprilaire 4977 Relay Freon Smith 100346612 Burner Assembly isThe Aprilaire 4977 Relay is a high performance 24v Coil DPDT Relay designed for seamless integration within advanced HVACR systems. This versatile double pole double throw relay serves as a critical HVAC control component, allowing for the simultaneous management of two independent circuits. Engineered for Aprilaire humidifiers and air cleaners, this 24 volt switching relay ensures precise electrical isolation and reliable secondary hardware