The Fenwal 06-129500-003 is a 48-inch air duct smoke detector sampling tube engineered for precise smoke detection in commercial HVAC systems

and walk-in coolers

7 degree F Fixed Differential

Attempting to adjust the calibration can lead to unsafe combustion or equipment damage

Aaon ASM01668 Controller 30067439-890 The Fenwal 06-129500-003 is aThe Aaon ASM01668 MODGAS X Controller is a high performance HVAC control module designed to provide precision modulation for gas heating systems. Engineered as the direct replacement for Aaon V12090, this electronic controller ensures seamless integration into existing commercial HVAC rooftop units. By utilizing advanced microprocessor based control, the ASM01668 optimizes burner efficiency and temperature stability, reducing energy consumption and