Lennox 17H03 Control Kit 320074-702 This o-ring is designed for

This o-ring is designed for standard compressed air stations and pneumatic control accessories

What is the proper mounting orientation for duct installation

and proportional control inputs

Contaminant Resistance: Piston design is specifically optimized to discharge small particulates found in common condensate

Lennox 17H03 Control Kit 320074-702 This o-ring is designed forThe Lennox 17H03 Control Kit is a professional grade non lockout universal ignition control kit designed for field service reliability in Lennox gas fired equipment. This specialized HVAC ignition module functions as a direct replacement for legacy ignition systems, providing consistent intermittent pilot ignition without the risk of permanent lockout during nuisance outages. Engineered for high demand environments, the Lennox 17H03 integrates