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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
installing this factory-specified blocked vent safety switch ensures the equipment remains compliant with original manufacturer safety protocols
reducing troubleshooting time for field technicians
Enhanced Safety Logic: Reliable flame detection prevents dangerous gas accumulation during ignition failures
accommodating a wide range of industrial air line pressures
Precision Accuracy: High-sensitivity thermistor sensors provide reliable ambient temperature readings for exact setpoint maintenance
Velocity Boiler Works (Crown) 960122 Rollout Switch 320788-703 installing this factory-specified blocked ventThe Velocity Boiler Works 960122 Rollout Switch is a critical safety component designed for gas fired natural draft water boilers and industrial heating systems. Engineered as a high limit safety device, this 240C flame rollout switch monitors the burner area for excessive heat rollout, which often indicates a blocked flue or a compromised heat exchanger. Upon detecting temperatures exceeding its 240 degree Celsius threshold, the switch breaks the