Resideo L4008E1040 Controller 320734-701 ensuring the HVAC expansion device

ensuring the HVAC expansion device performs under high-demand commercial HVAC maintenance cycles without hunting or premature failure

Does this part include the bearing

this kit ensures accurate refrigerant metering and liquid injection to prevent compressor overheating and oil thinning

Designed to handle the high static pressure environments common in hotel and multi-family residential applications

Exact OEM Fit: Designed for 350/400 MBH XE/RXE models to ensure seamless integration with existing bearings and blower wheels

Resideo L4008E1040 Controller 320734-701 ensuring the HVAC expansion deviceThe Resideo L4008E1040 is a heavy duty High Limit Aquastat Controller engineered for precise temperature regulation in hydronic heating systems, storage tanks, and industrial boiler applications. This immersion type controller features a Single Pole Single Throw (SPST) micro switch designed to break the circuit on temperature rise, providing critical over temperature protection. With an operating range of 130 270F and a factory set stop at 250F, it