Johnson Controls VG7251ET Valve L99H008 For technicians working with the

For technicians working with the Maxitrol 220 series

a cracked or high-resistance heating element is often the culprit

Optimized Compatibility: Purpose-built for the T-4000 series pneumatic thermostats and 2-pipe control configurations

the coil must be tested and sourced separately

Humming or chattering often indicates a failing 24V coil or debris in the magnet

Johnson Controls VG7251ET Valve L99H008 For technicians working with theThe Johnson Controls VG7251ET is a professional grade 1 2 inch globe valve specifically engineered for regulating the flow of hot water, chilled water, and saturated steam in commercial HVACR systems. Built with a heavy duty cast bronze body and 1 2" union globe connections, this 2 way normally open valve provides reliable performance under high demand conditions. The 1. 8 Cv equal percentage flow characteristic ensures precise linear control, making