Weil McLain 383-500-025 Gas Valve/Venture Kit THPU32HP7Y The Allanson 421-664 is a

The Allanson 421-664 is a traditional iron-core transformer designed for high-voltage spark ignition in oil-fired applications

using it on 208/230V or 460V circuits will result in immediate component failure

this unit provides precisely 17

Common Questions What does A/R stand for on this York limit switch

Weil McLain 383-500-025 Gas Valve/Venture Kit THPU32HP7Y The Allanson 421-664 is aThe 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