Always calculate your RPM ratios based on the specific belt section used

Key Benefits Automatic Reset Functionality: Restores circuit continuity once temperatures drop to 130°F

Enhanced Safety Logic: Restores proper HVAC pressure switch troubleshooting protocols by ensuring the draft inducer is clearing the heat exchanger effectively

This 24V Intelli-Vent gas control serves as a precision-engineered OEM replacement gas valve

Velocity Boiler Works (Crown) 3503800 Pressuretrol 322838-754 Always calculate your RPM ratiosThe Velocity Boiler Works (Crown) 3503800 Pressuretrol is a high performance steam boiler pressure switch engineered for precise control and automatic limit protection. Designed for heavy duty HVACR applications, this Honeywell compatible pressure controller utilizes a rugged stainless steel diaphragm and a durable brass body to ensure long term reliability in high pressure environments. By monitoring system pressure and acting as an operating