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Critical Thermal Protection: Set to trip specifically at 170F
Technicians often utilize this model for its high-voltage tolerance
Common causes include restricted return air
Position Sensitivity: Designed for installation in a vertical upright position to ensure the automatic vent limiting ball check functions at peak efficiency
Functional Devices TR40VA004 Transformer Critical Thermal Protection: Set toThe 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
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