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Reduced Downtime: Streamlines the calibration process
verify the wiring schematic of the specific air handler to ensure proper 24V transformer load management
Whether you are addressing a failed solenoid or a leaking diaphragm
as the voltage rating indicates the maximum surge it can handle
Look for carbon scoring or pitting on the contacts
Markel 29157004 Limit R-449A Reduced Downtime: Streamlines the calibrationThe Markel 29157004 Limit is a mission critical high limit safety switch designed for precision thermal protection in HVACR systems. Specifically engineered for duct heaters and electric heat assemblies, this manual reset limit prevents catastrophic equipment failure by breaking the electrical circuit when internal plenum temperatures exceed safe thresholds. Identified by the technical designation MFHE LIMIT RD103 002 104C, this component triggers at
US$ 79.20
US$ 10.00
US$ 79.20
US$ 21.12
