The Raypak 003899F 3/4" MV Slow Open LP Gas Valve is a critical component designed for HVAC systems, specifically for applications involving liquefied petroleum (LP) gas. This valve is of the slow-open millivolt type, which means it opens gradually, ensuring a smooth and controlled flow of gas to the heating unit. With a 3/4" size, it is suitable for various heating applications, prov... https://www.usapoolshop.com/003899f-raypak-3-4-mv-slow-open-lp-gas-valve