Velocity Boiler Works (Crown) 3503800 Pressuretrol 320734-701 and LP regulator spring for

and LP regulator spring for a comprehensive field transition

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Reliable Performance: Completely pneumatic operation provides a non-electric temperature sensing solution for hazardous or spark-sensitive locations

The York S1-025-41329-000 is an OEM replacement temperature controller engineered for precise thermal management in commercial and residential HVACR systems

Velocity Boiler Works (Crown) 3503800 Pressuretrol 320734-701 and LP regulator spring forThe 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