meaning it re-closes the circuit on its own once temperatures drop

the unit is built for duct mount applications in schools

which is vital for system safety and operational efficiency

Always verify your specific model number on the unit's data plate

Direct Cross-Reference: Certified as the direct replacement for 1NT21L-2163

Siemens Building Technology VMP42.13(2) Valve Body 321894-706 meaning it re-closes the circuitThe Siemens Building Technology VMP42. 13(2) Valve Body is a rugged, ANSI Class 250 rated globe valve designed specifically for terminal unit applications in commercial systems. Featuring a 3 4 inch NPT threaded connection and a 1. 9 Cv flow coefficient, this bronze valve body is engineered to withstand high pressure differentials across fan coil units, induction units, and small reheat coils. The universal design allows for field configurable