Resideo SV173 Air Vent 319825-402 is a high-performance moisture liquid

is a high-performance moisture liquid indicator designed for critical monitoring in commercial and residential refrigeration systems

Note that the V47AD-3 is identical to the V47AD-3C

reducing long-term wear on the fan motor

Precision 24V Coil: Ensures stable pull-in voltage and prevents contact bounce in low-voltage control circuits

It integrates advanced fail-safe mechanisms and built-in pressure regulation to prevent hazardous gas spikes and ensure reliable ignition cycles

Resideo SV173 Air Vent 319825-402 is a high-performance moisture liquidWhen you're dealing with air binding in high efficiency hydronic systems, the Resideo SV173 Air Vent provides the high venting capacity required to maintain optimal heat transfer. Designed as a 3 8" air vent with check vent, this unit integrates seamlessly with SuperVent PV Series products to eliminate the frequent need for manual bleeding. Built from heavy duty brass, the SV173 automatic air vent is rated for a maximum operating pressure of 150 psi