It is a direct cross-reference for Honeywell Q340A and Johnson Controls K19 series

OEM Reliability: Built to original factory specifications to prevent premature tripping or mechanical failure in high-cycle applications

and M copper tubing

Precise S8600 Series Compatibility: Purpose-built for the Honeywell S8600 family of intermittent pilot modules

For contractors performing Daikin-McQuay repairs

Armstrong Furnace R43110-002 Ignition Module Els PW 17895 It is a direct cross-referenceThe Armstrong Furnace R43110 002 Ignition Module (manufactured by Fenwal, model 35 615900 227) is a critical automatic ignition system designed for high reliability sequence control in residential and commercial furnaces. This 24 VAC ignition control board manages the direct spark ignition (DSI) process, featuring a precise 30 second pre purge, 15 second ignition period, and 30 second inter purge to ensure safe and efficient combustion. Engineered to