The HVAC fin straightener is a staple for any service truck looking to extend the operational life of heat exchangers without damaging sensitive tube-to-fin bonds

This OEM Carrier part features a fixed set point

Universal Controller Support: Onboard DIP switches allow for rapid configuration of humidity output signals (0-5V or 0-10V) and LED behavior

Key Benefits for HVAC Professionals Direct OEM Matching: Identical to 69J3701

this assembly is designed to provide high-thermal conductivity while protecting sensing elements from direct contact with pressurized media

Trane SEN2662 Flame Sensor 321142-301 The HVAC fin straightener isThe Trane SEN2662 Flame Sensor is a critical safety component engineered for flame rectification in high efficiency Trane and American Standard S Series furnaces. This genuine OEM flame sensor (superseded by SEN02662) utilizes a Kanthal D alloy element and a Nikrothal 80 electrode to provide superior oxidation resistance in high heat environments. Designed to monitor the ionization process within the burner assembly, it ensures the control board