IO Hvac Controls TR-40 Transformer 340155-7024 This is a 2-pole heat

This is a 2-pole heat sequencer

though consistent tripping typically indicates a primary flow or scaling issue within the heat exchanger

The York 025-42973-000 Enclosing Tube Kit is a direct OEM replacement part designed to maintain the pressure boundary of the solenoid assembly

maintaining the precise 17-to-34 second warm-up window required by the inducer motor and gas valve sequence

IO Hvac Controls TR-40 Transformer 340155-7024 This is a 2-pole heatThe iO HVAC Controls TR 40 is a multi tap 40VA control transformer engineered for commercial and residential HVAC R applications requiring 24VAC secondary voltage. This foot mount transformer provides multi primary input options, supporting 120V, 208V, and 240V primary configurations, which simplifies truck stock for contractors servicing diverse field environments. Designed with high quality copper windings and a robust Class 2 rated construction, it