Honeywell V8043F1036?áValve, Zone, 2 Way Normally Closed, 3/4', Sweat, 24Vac,, 3/4" sweat two-way normally closed zone valve, 24v, spring return to close, brass body, stainless steel stem, brass seat,screwed terminal block , manual opener, 20 pound maximum closeoff pressure, normally open auxiliary switch, 3.5cv

V8043F1036 is identical to V8043F1036/U