The unit provides critical safety interlocks

Using it with R-410A will result in improper metering and potential compressor damage due to the higher operating pressures of R-410A

Common Questions Is this ignitor compatible with hot surface ignition (HSI) systems

and A belts for broad application flexibility

preventing unsafe operation due to blocked vents or inducer failure

Markel 27648002 Fan Limit THPU32HP7Y The unit provides critical safetyThe Markel 27648002 Fan Limit is an OEM replacement fan limit switch specifically engineered for high output 4800W industrial heating systems. As a veteran technician knows, maintaining precise thermal regulation is non negotiable for system longevity. This auto limit control is compatible with Markel, Raywall, and TPI Corporation units, including models G3327TD RP and HF3326TD RP. Designed to manage the blower activation and high limit safety cut