Armstrong 89M57

Armstrong 89M57 is a 24V, 1/2" standing pilot slow-opening gas valve and LP kit designed for reliable ignition control in compatible Armstrong heating systems.

This straightforward replacement part fits a range of furnaces and boilers, delivering dependable performance with easy installation. The standing pilot ensures quick starts, the slow-opening design minimizes pressure surges, and the included LP kit supports propane (LP gas) installations for versatile setup.

• 24V operation supports common control circuits in residential and light commercial heating systems
• 1/2" valve size ensures broad compatibility with standard gas fittings and supply lines
• Standing pilot with slow-opening mechanism minimizes ignition stress and gas surges
• Includes LP kit for propane system installations, reducing setup time
• Durable, corrosion-resistant construction designed to withstand high-temperature furnace and boiler environments