Fenwal 35-655921-001 Ignition Module 320734-701 the HFO-0006 pneumatic filter extends

the HFO-0006 pneumatic filter extends the service life of pneumatic actuators and prevents system-wide performance degradation

ensuring a standard fit for existing field replacements or new valve train assembly installs

and Intertherm units requiring a 24" Dia 4 Blade setup with a 1/2" bore

As a direct replacement for Lennox 67K6601 and 58C9901

This is critical for HVACR equipment located in high-moisture areas or industrial environments where vibration could lead to lead fatigue or short circuits on an open board

Fenwal 35-655921-001 Ignition Module 320734-701 the HFO-0006 pneumatic filter extendsThe Fenwal 35 655921 001 is a microprocessor based 24 VAC Hot Surface Ignition (HSI) Control engineered for precise management of gas fired appliances. This direct replacement ignition module handles the complete demand sequence, including combustion blower control, flame sensing, and diagnostic monitoring. Designed for systems under 400K BTU, it features a 5 second Trial for Ignition (TFI) and a 5 second ignitor heat up period to ensure stable