Calibrated for natural gas systems with a standard 3

it utilizes a sensitive bimetal element to ensure accurate thermal response and pressure output modulation

This factory-authorized part is the designated Lennox 10U93 replacement for several legacy and superseded part numbers including 102998-01

The GC Valves S311GF02V8AC9 is rated for a maximum operating pressure differential of 300 PSI for air and 130 PSI for water and light oils

including round and square geometries

Trane TRR1581 Transformer 321894-706 Calibrated for natural gas systemsThe Trane TRR1581 Transformer is a heavy duty 75VA HVAC replacement part engineered for demanding residential and commercial applications. Designed to step down 200 230V primary voltage to a stable 24V secondary output, this component ensures consistent low voltage power for critical systems including furnace control boards, 24V thermostats, and contactor coils. As a genuine Trane OEM transformer, it eliminates the guesswork of universal fitments,