Durable Construction: Built to withstand ambient conditions up to 150°F

How do I identify a failing 10

Always ensure the arrow on the shell points toward the expansion device during installation

Flexible Mounting: Dual NPT connection points (1" Male and 1/8" Female) simplify retrofitting in tight mechanical rooms

The heavy-duty brass body construction and EPDM seal material provide reliable performance across a broad medium temperature range from -22°F to 248°F

Fenwal 35-755900-009 Circuit Board 30067439-890 Durable Construction: Built to withstandThe Fenwal 35 755900 009 is a microprocessor based Hot Surface Ignition (HSI) Control Board engineered for precise sequence timing and reliable flame supervision in 120 VAC gas fired appliances. This MARK17DU 117 series module utilizes DETECT A FLAME technology to ensure robust flame sensing sensing across natural, LP, and manufactured gas applications. Designed for versatile field integration, it supports both local and remote flame sensing and can