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This 903600 flame sensor with wiring harness features a high-grade 5-inch Kanthal flame rod and a durable porcelain insulator
(2) PTFE reinforced washers
Engineered specifically for Weil-McLain 66 and 68 Series boilers
ensuring consistent refrigeration cycling and long-term mechanical reliability
you know that maintaining precise downstream pressure is non-negotiable for system safety and appliance efficiency
Raypak 003943F Control Board Refrigerant This 903600 flame sensor withThe Raypak 003943F Control Board is a critical Fast Response OEM replacement component designed for high performance thermal management in commercial and industrial boiler systems. Engineered for rapid data processing and precise temperature measurement, this board integrates seamlessly with a dedicated thermistor probe to ensure tight modulation and system stability. As a veteran technician knows, maintaining the integrity of the electronic ignition
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