Xylem-McDonnell & Miller 317353 Test-N-Check Lower Valve TC-L

The Xylem-McDonnell & Miller 317353 TC-L Lower Valve Test-N-Check is an HVAC system component for controlling and measuring water flow. This Lower Valve Test-N-Check offers precise testing capabilities check valve operation in systems which need pressure relief and balancing. The systems operates in heating and cooling systems to maintain smooth operation of hydronic systems. The TC-L series optimizes system performance by shutting off reverse flow and requires little maintenance to help systems operate at maximum efficiency while suitable for HVAC equipment including boilers and chillers.