Allanson Transformers 421-BT387 IgnitionAllanson Transformers 421 BT387 is a 120 Volt Primary 10k Secondary Replacement Ignition Transformer designed for dependable ignition in heating and appliance systems, including boilers, furnaces, water heaters, and other burner assemblies. Built as a direct retrofit option, this transformer delivers a robust spark that starts reliably under varying loads and conditions, helping to keep equipment running smoothly. This replacement ignition transformer

reducing sediment buildup and helping maintain efficient heating performance

This inducer limit switch helps regulate furnace inducer operation and protects against overheating by cutting power when the set limit is reached

Scented by a focus on reliability and durability

The Kit Burner 100110703 is designed to replace worn or damaged burners

Material Brass

a 19-inch lead wire for flexible routing

The tank uses a urethane top-coated steel shell and a heavy-duty Butyl/EPDM diaphragm rated up to 240°F and 100 PSIG

blue 2-square-inch display

Operating Temperature: -40 to 140 deg F

Perfect for pilot control and general control circuits in automation

Crafted with an aluminum body and lever actuation

UL and CSA approved for safe installation