Schneider Electric (Erie) VT2221G13B020 Valve Assembly Els PW 17895 The "R" in the QL171R-06-06

The "R" in the QL171R-06-06 model number indicates that the service port is located on the right side when looking directly into the field connection

This umbrella adapter for V100 is specifically engineered to interface with the Honeywell CA100A116 cartridge found in legacy Honeywell V100 zone valves

this auto reset limit switch prevents the heat exchanger from reaching a hazardous open temperature of 180°F

This nickel-plated brass body is critical for balancing two-pipe heating systems

this automatic reset limit switch is tasked with monitoring heat exchanger temperatures to prevent hazardous overheating conditions

Schneider Electric (Erie) VT2221G13B020 Valve Assembly Els PW 17895 The "R" in the QL171R-06-06The Schneider Electric Erie VT2221G13B020 is a commercial grade two way normally closed zone valve designed for precise hydronic control in HVAC systems. Engineered for high cycle reliability, this 1 2" NPT zone valve features a 1. 0 Cv flow coefficient, making it ideal for fan coil units and baseboard heating applications where moderate flow capacity is required. The 120V spring return actuator ensures a fail safe closed position upon power loss,