Description
Optimized Signal: Engineered to provide a clean flame sense microamp level
the MARS 12100 provides the flexibility of dual value usage or single value operation
This valve is the designated service part for a wide range of Modine equipment
the SA64-2 is the standard replacement bellows for both current and legacy 64 and 764 series low water cut-offs
Key Benefits Precise Protection: Specifically calibrated to 320 degrees F open and 50 degrees F close for accurate thermal monitoring
Dwyer Instruments A-420A Pressure Sensor 321894-709 Optimized Signal: Engineered to provideThe Dwyer A 420A Outside Static Pressure Sensor is a ruggedized static pressure pickup port designed to provide stable, accurate reference pressure readings in outdoor environments. Engineered with a NEMA 4X housing, this sensor is built to withstand extreme weather conditions while eliminating the erratic pressure fluctuations typically caused by wind gusts. For contractors performing building automation system (BAS) integrations, the A 420A is a
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

























