Precision Control: The 4-12" w

Serviceable Design: The modular architecture facilitates rapid field maintenance and component replacement without removing the entire valve body from the line

The Apollo 10-600 series construction utilizes a bronze body and EPDM diaphragm to ensure consistent seat sealing and corrosion resistance in demanding hydronic systems

or the 632200R pressure switch has failed

Fenwal 35-605500-001 Control Els PW 29614 Precision Control: The 4-12" wThe 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