The Carrier HK50AA047 is a specialized RTU-Open controller designed for seamless integration within Carrier i-Vu Control Systems

ensuring reliable cold-start performance and consistent temperature regulation

the KPU 6W operates within a wide pressure range

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

Standard installations require replacement once per heating season

Resideo SV173 Air Vent 326010-701 The Carrier HK50AA047 is aWhen 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