Lennox 78H55 Furnace TransformerLennox 78H55 Furnace Transformer delivers reliable 24V control power for Lennox furnaces, converting 120 V AC primary to 24 V AC secondary. This 60 Hz, 30 VA furnace transformer is designed as a replacement part for compatible Lennox furnace control circuits and relays. Its compact dimensions2. 25 in W x 2. 57 in D x 1. 94 in Hease installation in tight furnace compartments and service spaces. Built to endure typical furnace environments, this

stainless steel core tube and sleeve

Speed: 2800–3300 RPM

helping technicians complete replacements quickly and safely while preserving overall system reliability and energy efficiency

Built with nylon construction

it maintains accurate readings even in difficult placements

including APG133004

99" height for easy installation in typical furnace housings

Rugged construction designed for harsh environments

and light industrial environments

Compatibility: Designed for GMNT080-4B and GMNTE080-4 multi-position condensing gas furnaces

a compact footprint (5-3/16 in W x 5-5/16 in D x 5-3/16 in H)

Its spring-loaded operation ensures quick response to changing vent conditions