Description
Enhanced System Protection: Acts as a critical high pressure limit switch to protect the compressor from over-pressurization
With a functional pressure range of 10" Hg to 100 psi and an adjustable 10 psi differential
offering field-proven reliability for professional contractors maintaining fluid make-up systems
Its 2-wire configuration significantly reduces cabling requirements and commissioning time for contractors managing large-scale HVAC current sensing projects
as the old coil is not compatible with the new valve body
Lochinvar & A.O. Smith 100297134 Flame Sensor 321702-401 Enhanced System Protection: Acts asThe Lochinvar & A. O. Smith 100297134 Flame Sensor is a critical genuine OEM replacement part engineered for precision flame rectification in high efficiency gas fired systems. Designed for use in Lochinvar boilers and A. O. Smith water heaters, this sensor monitors the burner flame to ensure the ignition control module receives a continuous microamp signal. If the flame signal is lost or carries high resistance, the system initiates a safety lockout
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy

























