Armstrong R42640-001 Igniter Sensor AssemblyIntroducing the Armstrong R42640 001 Igniter Sensor Assembly, a precision replacement part engineered for reliable ignition and safe operation. The Igniter Sensor Assembly delivers accurate sensing and fast ignition for Armstrong HVAC systems, helping reduce downtime and simplify maintenance. Designed for Armstrong HVAC systems and compatible gas furnace ignition setups, this replacement part delivers a reliable ignition and precise sensing under

Reliable hot surface ignition delivers fast

Physicals: 2

durable housing suitable for tough industrial environments

Media: air and fuel gas

The temperature rating reaches 210°F with AC and 150°F DC

Natural gas valve kit for commercial water heaters

efficient airflow

and equipment enclosures in industrial settings

Comprehensive terminal block: RC

this kit helps minimize downtime and supports quick repairs by technicians or skilled DIYers

black lead wire

efficient startup across a wide operating range