the NEMA 1 enclosure protects the internal switching components from debris

Standard installations require replacement once per heating season

Featuring a robust chrome-plated brass body and a distinctive red faucet handle for high-temperature identification

Plug-and-Play Connectivity: Equipped with factory-molded connectors to ensure a moisture-resistant and vibration-proof seal at the control interface

ensuring reliable cold-start performance and consistent temperature regulation

Resideo SV173 Air Vent 326010-701 the NEMA 1 enclosure protectsWhen 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