Schneider Electric (Barber Colman) VB-7213-0-4-8 Valve 321142-301 Use the Schrader valve port

Use the Schrader valve port to monitor the actual evaporating pressure during adjustment

the 18Y93 provides a fixed 45-second blower-on delay and a 150-second blower-off delay

but you must ensure your system meets the minimum pressure differential required for the pilot-operated diaphragm to lift reliably

Unlike parallel blade dampers

Schneider Electric (Barber Colman) VB-7213-0-4-8 Valve 321142-301 Use the Schrader valve portAs a veteran tech, you know that consistent flow control is the backbone of any reliable hydronic system. The Schneider Electric (Barber Colman) VB 7213 0 4 8 Valve is a rugged 1 inch NPT globe valve designed specifically for the demanding environments of commercial HVACR. Featuring a 14 Cv rating and an equal percentage flow characteristic, this two way valve provides the precise throttling required for high performance chilled water, hot water, and