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For technicians performing field calibrations
or cracked heat exchangers causing localized hot spots
detecting excessive heat within the venting system to prevent heat exchanger damage and ensure professional-grade operational safety
Constructed as a 3-row uncased unit
Velocity Boiler Works (Crown) 96-023 Switch 340155-7026 For technicians performing field calibrationsThe Velocity Boiler Works (Crown) 96 023 is a precision engineered manual reset spill switch designed for critical safety monitoring in hydronic heating systems. Rated for 340F, this SPST (Single Pole Single Throw) switch provides high limit protection by detecting flue gas spillage or excessive temperatures at the draft hood. When the thermal limit is exceeded, the switch interrupts the electrical circuit to shut down the burner, preventing hazardous
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