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the standard AV-91 kit includes the cams
Environmental heat and age cause the insulation to become brittle
reliable alerts for critical system faults
Precision Tolerance: Adheres to Browning Code 1 standards
Quiet Operation: Precision-engineered blower wheel minimizes harmonic resonance and mechanical noise during the startup sequence
Velocity Boiler Works (Crown) 960123 Spill Switch 323080-701 the standard AV-91 kit includesThe Velocity Boiler Works (Crown) 960123 Spill Switch is a critical OEM safety component engineered specifically for technical integration within Crown Boiler heating systems. This manual reset spill switch (MR) functions as a blocked vent switch, monitoring the draft hood for heat buildup caused by flue gas spillage. When downdrafts or venting obstructions are detected, the sensor interrupts the 24V control circuit, shutting down the burner to