Functional Devices TR40VA004 Transformer LH33ZS001A

LH33ZS001A

Technicians often utilize this model for its high-voltage tolerance

It is compatible with popular units like the 1NP0418 and 1HA0459 and is often utilized with White-Rodgers 36G series and Honeywell gas valves found in Source 1 equipment

Common causes include restricted return air

Functional Devices TR40VA004 Transformer LH33ZS001AThe Functional Devices TR40VA004 is a versatile 40VA multi tap power transformer engineered for reliable 24Vac secondary output in demanding HVACR and building automation environments. Designed for maximum flexibility, this unit handles primary voltages of 120V, 208V, 240V, and 277V, making it a standard truck stock item for commercial and residential service calls. The TR40VA004 features inherently limited over current protection, ensuring the safety