Reznor rz116023 Door Switch Udas

Product Description

The REZNOR rz116023 is a door switch designed for use in UDAS series unit heaters. Door switches are safety interlock components that interrupt unit operation when an access panel or combustion air door is opened during service or maintenance. This prevents the unit from firing or running while a technician has the enclosure open, protecting against accidental ignition and uncontrolled airflow. The rz116023 is an OEM-style replacement part intended for installation by qualified HVAC technicians familiar with commercial and industrial gas-fired heating equipment.

This door switch is used in REZNOR UDAS series gas-fired unit heaters, which are common in commercial and industrial applications such as warehouses, manufacturing facilities, and garages. The switch is typically mounted at an access door or panel on the heater cabinet. When the panel is closed, the switch completes the control circuit and allows normal operation. When the panel is opened, the circuit is interrupted, shutting down the burner and blower as a safety measure. It is a direct replacement for units requiring this interlock function.

Key Features

• OEM-style door interlock switch for REZNOR UDAS series unit heaters
• Interrupts control circuit when access panel is opened for safe servicing
• Direct replacement fit for applicable UDAS heater models
• Supports proper safety interlock operation required by heating equipment standards

Compatibility

Designed as an OEM-style replacement door switch for REZNOR UDAS series unit heaters requiring this safety interlock component.

Installation Notes

Installation should be performed by a licensed HVAC technician. Before servicing or replacing the door switch, shut off all electrical power to the unit at the disconnect switch and allow the heater to cool. Verify proper switch actuation and circuit continuity after installation before restoring power and returning the unit to service. Follow all applicable local codes and the manufacturer service documentation for the specific unit model.

Technical Specifications

• Application: UDAS Series Unit Heater Door Interlock

Standard Information

• Brand: REZNOR
• Manufacturer Part Number: rz116023