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This dual-stage redundant valve operates on a 24V gas valve circuit and features a slow-open characteristic to ensure smooth ignition and quiet burner transitions
The Carrier 320074-701 is a widely used furnace heating element compatible with various 2-ton to 5-ton air handler configurations
it is designed to withstand the rigorous duty cycles of air handlers and exhaust fans
High-Accuracy Sensing: The 6-foot capillary and liquid-filled bulb ensure the Johnson Controls A19AAA-40 reacts quickly to thermal changes
With a 19 lb capacity
MARS 44507 Transformer 321702-401 This dual-stage redundant valve operatesThe MARS 44507 Transformer is a heavy duty, foot mounted solution engineered specifically for high voltage commercial HVACR control circuits. This 40VA control transformer provides a reliable step down from a 277V primary input to a stable 24V secondary output, ensuring consistent power delivery for intensive diagnostic and operational tasks. Designed with NEMA Class II construction, it maintains low heat rise during continuous duty, protecting
US$ 561.06
US$ 159.84
US$ 320.76
