Built to handle pressure ranges of 5-250 PSI for air and 5-200 PSI for fluids

ensuring seamless integration into existing hydronic heating systems without the need for a full valve teardown

Standard 24V Operation: Compatible with most 40VA transformers and 24VAC control systems for straightforward electrical integration

This air gap is optimized for 3/4" and 1" Watts Series 009/909

The Johnson Controls VA-7150-1001 is a commercial-grade

Laars Heating Systems R0407700 Gas Valve 322027-701 Built to handle pressure rangesAs a seasoned technician, you know that maintaining precise combustion control is non negotiable for high efficiency hydronic systems. The Laars Heating Systems R0407700 Gas Valve is a critical 2 Stage Natural Gas Valve engineered for specific boiler configurations, including the Laars Mini Therm and Mighty Therm series. Built for negative regulation, this direct replacement gas valve ensures the correct air to gas ratio across both firing stages,