Technicians should verify the furnace model serial digits to ensure compatibility with modern TG and TM series condensing and non-condensing units

Tested for high-cycle reliability in demanding industrial and commercial HVAC environments

Rugged Construction: High-grade ceramic insulator and durable metal tip designed for high-temperature furnace environments

45-inch shank threading ensures a secure connection to the gas manifold

For technicians troubleshooting standard pilot or burner ignition issues in 22K and 30K BTU models

Daikin-McQuay 300050859 Heater R-134A Technicians should verify the furnaceEnsure critical protection for your HVACR system with the Daikin McQuay 300050859 Crankcase Heater. This authentic OEM replacement part is engineered for high performance compressors requiring a 70W 120V heating solution to prevent refrigerant migration. Operating as a reliable compressor belly band heater, it maintains oil temperature above the ambient dew point, effectively preventing "slugging" during cold starts. For technicians servicing McQuay