Armstrong 57W79 Furnace Pressure SwitchArmstrong 57W79 Furnace Pressure Switch delivers precise control for your furnace, helping to maintain safe ignition and steady heating performance. This Type Pressure Switch is designed for use on furnaces that require a 0. 7 Inch WC rating and features a Green Label for compliance, ensuring reliable safety operation and long service life. Engineered for durable, dependable service, this switch is a straightforward replacement part that fits

Durable construction designed to withstand heat

reliable performance

Broad compatibility with AO Smith boilers and water heaters

Power: 5 W

this kit is designed to withstand demanding conditions while providing quick

The kit integrates smoothly with standard residential gas water heaters

Performance: 100–150 PSI

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

Featuring a Mid Point Ground design

It replaces part 14662071

efficient burner operation

and compatibility with a broad range of hydronic configurations