Allanson Transformers 421-BT290 Gas TransformerAllanson Transformers 421 BT290 Gas Transformer is designed for reliable high voltage stepping in residential, industrial, and commercial gas furnace systems. It provides a primary voltage of 250 V AC and a secondary voltage of 10,000 V AC, operating at 60 Hz to deliver consistent ignition energy. Designed for reliable 60 Hz operation with a 10,000 V secondary and 120 V control compatibility, it's well suited for residential, industrial, and

a primary voltage of 87V

delivers reliable performance across demanding furnace applications

It’s built to withstand up to 160 psi and operates from 32 to 225°F

Base size: 4 inch — designed to fit a wide range of furnace models

The Water Heater Gas Temperature Control Kit for AO Smith 9004310005 delivers precise temperature regulation for residential gas water heaters

Environment: operating temp -30 to 140°F

5–5 in) or liquid propane (7–12 in)

LP 7–12" range

Model: AO Smith 9004428115

This 1/10 HP motor delivers steady airflow while operating on 208–230 V AC as a single-phase unit

while the factory setting of 12 PSIG provides ready-to-use performance

Allanson 2744-605 offers proven compatibility and peace of mind