The auto-voltage defrost timers have an amperage of 40. Two models are available: the DTAV40 mechanical and DTAV40E electronic auto-voltage defrost timers. Both models automatically detect the ...
A split system heat pump's defrost sensor is used to detect ice buildup on the heat pump's outdoor coil. When ice builds up on the coil, it reduces the heat pump's ability to transfer heat, which can ...
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