Caleffi NA29284 Air Vent Shut-Off ValveAir Vent Shut Off Valve provides reliable air release control for heating, cooling, glycol, and solar systems. The Caleffi NA29284 model features a brass body, a nominal size of 1 2 inch, and end connections that are female thread x male thread for secure, easy installation. Designed for demanding environments, this valve tolerates temperatures from 20 to 360 F and handles up to 150 psi, ensuring dependable operation across diverse applications. Brass

Durable construction and dependable switching performance under demanding conditions

24 VDC coil for fast

and provides precise damper positioning through a 2–10 VDC output signal

Oil burner primary control for reliable ignition and flame management

Energy performance: helps optimize airflow and reduce energy use

diaphragms

Keep your refrigerant leak detection workflow smooth with this genuine Bacharach battery—a smart choice for technicians who rely on accurate

adjustable range: 0

easy calibration

7 for reliable flow control

this pilot assembly partners with the White Rod E63n-715 line for smooth

delivering long-lasting service in a variety of installation environments