Lennox 26P00 Mars 50320 Class 2 Transformer 75 VA 24 VAC HVAC Control Transformer

 

Lennox info

This item is supplied under Lennox part number 26P00 and cross-referenced to Mars 50320. It is designed for use in residential and light commercial HVAC control circuits where reliable low-voltage power is required. Compatible with a wide range of Lennox heating and cooling systems and suitable for universal HVAC applications when specifications match.

Manufactured by Lennox and cross-referenced to Mars standards for Class 2 control transformers.

 

Product overview

The Lennox 26P00 / Mars 50320 Class 2 transformer provides dependable 24 VAC output for HVAC control boards, thermostats, relays, and safety circuits. With a 75 VA capacity, it supports multiple low-voltage loads without voltage drop. The multi-tap primary allows flexible installation across 120, 208, 240, or 480 VAC power supplies, making it ideal for both replacement and new installations. Designed for continuous duty, this transformer helps ensure stable system operation and long service life.

 

Specifications

Lennox part number: 26P00
Manufacturer reference: Mars 50320
Transformer class: Class 2
Power rating: 75 VA
Primary voltage: 120 / 208 / 240 / 480 VAC
Primary frequency: 50/60 Hz
Secondary voltage: 24 VAC
Application: HVAC control circuits, thermostats, relays, contactors
Mounting: Foot-mounted, open-style transformer
Duty cycle: Continuous