Allanson Transformers 421-331 Gas TransformerThe Allanson 421 331 Gas Transformer delivers dependable high voltage output for gas furnaces. With a 250 V AC primary input and a 10,000 V AC secondary, this unit runs at 60 Hz to power ignition and control circuits in residential, industrial, and commercial settings. Rated for a 120 V AC control side, it features a ferromagnetic core and a mid point ground configuration for enhanced safety and reliable operation. Built for rugged performance, the

and XCZ models in AO Smith residential gas water heaters

Its ignition temperature reaches in about 17 seconds

Key specifications include a nominal size of 1/8 inch

Ignition cycle: 15 seconds

while the included nut ensures secure mounting

Capacity & dimensions: 44 gallon capacity

Engineered for reliability

8" D x 13" H

it offers a tough enclosure and convenient 1/4 inch Quick Connect terminals for quick wiring and reliable connections

a set pressure of 30 PSIG

Designed for straightforward installation

UL and CSA compliance