it features high-quality silver-cadmium oxide contacts to minimize pitting and ensure long-term conductivity under heavy inductive loads

The visible set point indicator and internal adjustment screw simplify field configuration and performance verification

Optimized Conductivity: Designed to carry the full secondary voltage pulse required for consistent arc generation in the combustion chamber

Corrosion Resistance: Durable epoxy powder paint finish protects the steel shell from environmental degradation in demanding mechanical rooms

Markel 29157004 Limit R-410A it features high-quality silver-cadmium oxideThe 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