Resideo V8043E5061 Valve

Valve, Zone, 2 Way Normally Closed, 3/4', Sweat, 24Vac,, 3/4" sweat two-way normally closed quick fit zone valve,hydronic control, 24v, spring return to close, brass body, stainless steel stem, brass seat,18" leads, manual opener, 8 pound maximum closeoff pressure,normally open auxiliary switch, 8 cv