Endurance Pro Control Transformer 40VA, Primary 120, 208, 240V Secondary 24V, HVAC Furnace Multi Tap, Jard 4031F, Packard 42440 - Walmart.com
24V 40VA Control Transformer, Primary 120, 208, 240V Secondary 24V Isolation Transformers,24V Transformer with Foot Mount for HVAC Furnace Multi Tap - Amazon.com