Taco 571 is a low cost heavy cast brass body 24 volt zone valve with sweat connections. Globe valve construction with resilient seat for tight shut-off. Heat motor functions silently not constantly energized while valve is open. Easy to install Power head does not have to be removed. Only 3 low voltage connections. Readily and quickly serviced Power head can be replaced without draining system. Totally enclosed snap-action end switch. Handy manual operator arm. Silent operation.
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