The internal metering orifice is precision-engineered to facilitate consistent oil return

Designed as part of the versatile BQ series

For contractors performing retrofits or system maintenance

What is the proper electrical rating for testing

Standard industry practice dictates replacing the internal oil filter during any major HVAC system diagnostic or when oil analysis indicates high acid or metal counts

Fenwal 35-655605-001 Control Els PW 17895 The internal metering orifice isThe Fenwal 35 655605 001 is a robust, microprocessor based 24VAC hot surface ignition control designed for precise burner management in gas fired HVAC systems. Engineered for high demand commercial and industrial applications, this direct ignition module features a 3 try ignition sequence to ensure reliable combustion even in challenging draft conditions. With a refined 5 second trial for ignition (TFI) and a 40 second heat up period for the igniter,