This blue spring is rated for 5" to 8

Functionally identical to the White Rodgers 36G22-209 Gemini series

optimized for stable flame rectification and consistent main burner lighting

always verify your specific coil voltage and housing requirements for a complete assembly

Multi-Refrigerant Compatibility: Rated for use with R-22

Bard HVAC 8403-089 Thermostat 319825-402 This blue spring is ratedThe Bard 8403 089 Thermostat is a field proven 1H 1C programmable thermostat built on the Honeywell T4 Pro Series platform. This unit serves as the direct replacement for Bard 8403 057 and Honeywell TH3110D1040, providing a seamless upgrade path for legacy single stage residential and light commercial HVAC systems. Designed for technical efficiency, it features a UWP mounting system and a tool less terminal block, significantly reducing installation