Resideo V8044A1143 Valve R-448A Is the PG9 adaptor required

Is the PG9 adaptor required for all installations

Setpoints are adjusted via the internal potentiometer

including the MV16CN21CC modular series

One-pipe steam systems require a specialized air vent valve to function correctly

Resideo V8044A1143 Valve R-448A Is the PG9 adaptor requiredThe Resideo V8044A1143 is a professional grade 3 way diverting zone valve designed for effective fluid management in closed loop hydronic systems. Built with a heavy duty brass body, stainless steel stem, and brass seat, this 24Vac zone valve ensures long term reliability in non oxygenated water applications. With a 4 Cv flow capacity and a 3 4" NPT threaded connection, it handles up to 125 psi static pressure and provides a 20 psi close off rating.