Honeywell 107408 Heat Conductive Compound verify specific drill size requirements

verify specific drill size requirements for your local elevation

Designed specifically for Armstrong 213

the limit switch is likely stuck open or tripping prematurely

inspect the heat exchanger for cracks and the flue for obstructions before pressing the manual reset button

opening the circuit at 150°F and automatically closing at 110°F to prevent heat exchanger overheating

Honeywell 107408 Heat Conductive Compound verify specific drill size requirementsThe Honeywell 107408 Heat Conductive Compound is a professional grade thermal interface material designed specifically for HVACR service technicians. This 4 ounce can provides a high consistency heat transfer grease essential for ensuring accurate temperature sensing in immersion wells and aquastat controllers. By eliminating air gaps between the sensing bulb and the well wall, this compound significantly reduces thermal resistance, preventing erratic