Pay in 4 interest-free payments of $8.18 Learn more
Ships within 48 hours · Estimated delivery Sep 15 - Sep 20
Common Questions & Technical Support What are the signs of a failed secondary heat exchanger
effectively preventing costly refrigerant loss and protecting the system’s volumetric efficiency
Precision Accuracy: High-sensitivity thermistor sensors provide reliable ambient temperature readings for exact setpoint maintenance
reducing troubleshooting time for field technicians
Technical documentation confirms this model is only intended for Series B and Series C residential dampers
Velocity Boiler Works (Crown) 960122 Rollout Switch 320788-703 Common Questions & Technical SupportThe Velocity Boiler Works 960122 Rollout Switch is a critical safety component designed for gas fired natural draft water boilers and industrial heating systems. Engineered as a high limit safety device, this 240C flame rollout switch monitors the burner area for excessive heat rollout, which often indicates a blocked flue or a compromised heat exchanger. Upon detecting temperatures exceeding its 240 degree Celsius threshold, the switch breaks the
US$ 3475.00
US$ 3225.00
US$ 3125.00