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

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

This OEM humidifier replacement part acts as the structural frame and pad holder for high-capacity systems

it is engineered to handle substantial capacities

The operator functions by sensing ambient air temperature to regulate the flow of the heating medium through the valve

Laars Heating Systems R0407700 Gas Valve 322027-701 The Johnson Controls VA-7150-1001 isAs 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,