Fenwal 35-605500-001 Control Els PW 29614 as well as the 851S

as well as the 851S make-up water feeders

supporting up to three stages of heat and two stages of cool depending on the system configuration

48" WC pressure switch is engineered to precise factory specifications

Common Questions & Technical Insights: What is the primary application for an "Open High" switch

Fenwal 35-605500-001 Control Els PW 29614 as well as the 851SThe Fenwal 35 605500 001 is a microprocessor based 24VAC direct spark ignition (DSI) control engineered for precision timing and safe burner operation in gas fired appliances. This unit features a 4 second trial for ignition (TFI) and is designed for systems requiring no pre purge (No PP), ensuring immediate spark delivery upon a call for heat. As a direct replacement for 05 296623 751, it utilizes local flame sensing technology to monitor combustion