utilizing the same physical footprint for easy retrofitting

With a maximum supply pressure of 300 PSIG and a reduced pressure range of 2 to 125 PSIG

Its universal spindle clamp simplifies installation on various shaft sizes

While the housing material has changed to stainless steel

Weil McLain 383-500-025 Gas Valve/Venture Kit Freon utilizing the same physical footprintThe Weil McLain 383 500 025 Gas Valve Venturi Kit is an essential OEM replacement component designed specifically for Ultra Gas Boilers (Size 155). As a veteran grade replacment gas valve, this assembly ensures the negative pressure regulated delivery of fuel required for high efficiency modulating condensing boilers. This Weil McLain Gas Valve Venturi Assembly is engineered to maintain precise air to fuel ratios, supporting the 5: 1 turn down ratio