The Armstrong Furnace R43203-002 HSI Ignitor is a critical OEM replacement component engineered for precision ignition in Armstrong Air and Lennox family gas furnaces

ensuring the damper returns to a programmed safety position during power loss

The P499AAP-105 is an individual transducer with a Packard electrical connection

What is the difference between 32004254-002 and 32004254-002/U

AERCO 124930 Maintenance Kit 326058-755 The Armstrong Furnace R43203-002 HSIThe AERCO 124930 Maintenance Kit is a comprehensive BMK Annual Maintenance Kit engineered specifically for high efficiency AERCO Benchmark boilers. As a genuine OEM maintenance kit, it includes the precision components required to maintain the AERCO 124930 specifications and ensure peak thermal performance. Regular use of this industrial boiler service kit prevents combustion instability and maximizes the AERCO BMK boiler service life. Designed for