Hayward HAXGSV0001 150-400 Mv Natural Gas Valve Replacement for Hayward H-Series Ed1 Style Pool Heater! Lowest price anywhere for this model! This 150-400 MV natural gas valve replacement is designed to use with Hayward H-Series ED1 style pool heater. This item is in the category “Home & Garden\Yard, Garden & Outdoor Living\Pools & Spas\Spas & Hot Tubs”. The seller is “actionpackagedincorporated” and is located in this country: US. This item can be shipped to United States.