Critical Diagnostic Tool: The manual reset requirement forces a necessary safety evaluation of the heat exchanger and venting system

Key Benefits: Precise OEM Fit: Ensures seamless integration with Carrier and Payne furnace parts and heat pump blower assemblies

This is an automatic (Auto) limit switch

but the 1-1/4" sizing is often compatible with Series 3003

maintaining lower pressure drops and lowering utility costs

Mitsubishi Electric R01M35350 Control Board 320074-702 Critical Diagnostic Tool: The manualThe Mitsubishi Electric R01M35350 controller board is an OEM grade electronic control module engineered for Mitsubishi HVACR systems, responsible for managing core operational logic including compressor sequencing, fan control, sensor signal interpretation, and system protection routines. This R01M35350 PCB is commonly used as a direct replacement for failed or degraded HVAC control module units, restoring stable communication between indoor and