this is a line voltage thermostat specifically intended for 120V/240V/277V direct power applications

engineered for exact fitment within the burner assembly

For those specific applications

Technical Specifications and Benefits Voltage Compatibility: Optimized for standard 24V control circuits

Enhanced Thermal Resistance: Engineered to maintain tolerances under high-heat conditions in the furnace cabinet

Spence BF-2-KIT Valve 30067439-890 this is a line voltageWhen you're servicing a 2" Spence Type E main valve, the integrity of your pilot piping is paramount for maintaining precise pressure regulation. The Spence BF 2 KIT is a specialized bends and fittings kit engineered precisely for the 2 inch E series regulators. As a technician, you know that field bending tubing often leads to kinks that disrupt the pilot signal; this kit eliminates that risk by providing factory formed copper tubing bends and high