Weil McLain 383-500-628 Transformer This main gas burner features

This main gas burner features durable construction to withstand high-temperature cycling while preventing common failure points such as uneven flame distribution or rollout

The stem features a 1/4-20 inch NPT end for the valve connection and a 5/16-18 inch NPT end for the float bulb

This duct flange is a critical accessory for T-8000 series bulb element controllers

maintaining safe and efficient burner operation during the ignition sequence

Preventative Compressor Protection: Stops operation before liquid slugging can occur due to low evaporator temperatures

Weil McLain 383-500-628 Transformer This main gas burner featuresThe Weil McLain 383 500 628 Transformer is a heavy duty, factory specified 120V to 24V step down transformer designed for critical power distribution within high efficiency hydronic systems. This 50VA boiler transformer provides a stable 24VAC secondary output, ensuring consistent low voltage signaling for the Weil McLain Ultra boiler control board and ignition sequences. As a direct replacement for the legacy 511 802 011, it is engineered to handle