Pay in 4 interest-free payments of $12.25 Learn more
Ships within 48 hours · Estimated delivery Aug 30 - Sep 4
Durable Thermal Element: The 1/4" x 4" remote bulb is built to withstand temperatures up to 241°F without losing calibration
8 Cv rating and brass trim
Simplified Troubleshooting: Features clear diagnostic paths for testing multi-stage electric heating circuits and verify proper relay engagement
delivering a
Aprilaire 4977 Relay 322838-752 Durable Thermal Element: The 1/4"The Aprilaire 4977 Relay is a high performance 24v Coil DPDT Relay designed for seamless integration within advanced HVACR systems. This versatile double pole double throw relay serves as a critical HVAC control component, allowing for the simultaneous management of two independent circuits. Engineered for Aprilaire humidifiers and air cleaners, this 24 volt switching relay ensures precise electrical isolation and reliable secondary hardware
US$ 22.98
US$ 40.00
US$ 125.00
US$ 85.00
