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Valve Body: 3/4" forged brass
and it is also 100% compatible to Honeywell part #4000-3916-021 which is replacement powerhead for Honeywell's V8043A (red wires not used)
Before installation
removable head) only
AD1S Powerhead, 24 VAC, w/ End Switch, Replacement for Honeywell V8043E and V8043A Whole Cases Valve Body: 3/4" forged brassThe AD1S is a replacement power head for Honeywell's V8043E (normally closed) 2 way zone valve with switch. It can also be used to replace Honeywell's V8043A 2 way valve without switch, as well by simply not connecting the red switch wires. This powerhead is for use with Honeywell's new style valve bodies (series 6, removable head) only, and it includes the motor, housing, and 2 mounting screws. The AD1S is 100% compatible to Honeywell part #4000 3916