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Common Questions What is the difference between 8402-065 and 8402-065BX
High-Temperature Durability: Features a high-grade ceramic insulator that resists cracking under intense heat and vibration
preventing the fluid or air bypass that leads to significant capacity loss
Always verify your unit's serial and model number against the manufacturer's parts list to confirm compatibility with this 10k ohm sensor profile
ensuring full backward compatibility with supported chassis
Burnham Boiler 103880-01 Safety Switch R-410A Common Questions What is theThe Burnham Boiler 103880 01 Safety Switch is a critical limit control component designed for specific Burnham gas fired boilers. As a rollout safety switch, this device monitors flue gas temperatures and interrupts the ignition circuit if flame rollout or blocked vent conditions are detected. This replacement safety switch features a manual reset, ensuring that a technician must inspect the heat exchanger and venting system before the appliance can