This genuine component is a direct fit for various Lennox GCS and GCS20R series units

such as the 3-7/16" 2459U

Corrosion Resistant: High-grade aluminum construction prevents degradation in varied fuel gas environments

this sensor supports accurate CFM calculations using the manufacturer-specified K-factor

The Watts 0881428 is a professional-grade GB-D 1

Danfoss 193B-1704 Thermostat This genuine component is aThe Danfoss 193B 1704 Thermostat, typically integrated within the ESBE VTC511 series, is a high performance thermal loading valve element designed for solid fuel boilers and biomass heating systems. Operating with a 140F (60C) opening temperature, this thermostatic combustion control ensures the boiler reaches its optimal working temperature rapidly, preventing flue gas condensation and reducing tar fouling on heat exchanger surfaces. By maintaining a