Trane TRR1838 Transformer 323055-751 this Spence BF-3/4-KIT is specifically

this Spence BF-3/4-KIT is specifically dimensioned for the Spence Type E main valve series and may not align with the pilot ports of other manufacturers

providing both normally open (NO) and normally closed (NC) contacts for versatile circuit control

allowing technicians to fine-tune the cut-out point for specific furnace or appliance requirements

the H91BA-3C REVB includes 30-inch leads as standard

while the #10-32 coil terminals and 5/16-24 contact studs provide secure

Trane TRR1838 Transformer 323055-751 this Spence BF-3/4-KIT is specificallyThe Trane TRR1838 Transformer is a heavy duty 75VA control transformer engineered specifically for technical reliability in demanding HVACR environments. This OEM replacement part handles primary input voltages of 208 240V AC and steps it down to a stable 24V secondary output, providing the consistent current required for contactors, ignition modules, and advanced control boards. With its 75VA power rating, this unit offers significantly more overhead