Resideo - Honeywell Home VCZBB1000 Hydronic Two Way ValveMeet the VCZBB1000 from Resideo Honeywell Home, a 1 2" Female NPT VC Hydronic Two Way Valve designed for precise water flow control. With a Cv rating of 3. 2 and a quick open flow, this valve delivers fast response and reliable zoning in hydronic systems. The 1 2" female NPT connections simplify installation and replacement, making it a practical choice for new builds or retrofit projects. Built for durable performance, the VCZBB1000 balances

Easy Installation: Simple swap with minimal downtime

3/4" Threaded Port offers flexible mounting options

120 V AC control with 0

it is used on the 0021-7012 TRUE-SPOT Smoke Tester and delivers precise readings technicians can trust

Easy installation with compatible fittings for quick maintenance

precise feedback

It also offers M1SA66 compatibility

this P47AA-1C Steam Pressure Limit Control delivers dependable performance with precise sensing and durable construction

Designed to reduce downtime and simplify maintenance with clear instructions and hotline support

Performance: 3000 RPM for steady venting and improved exhaust flow

Operating as a normally closed valve

part of the Carrier parts lineup