Siemens Building Technology 171A-10300 Valve Assembly 326058-756 With a 1/2" NPT inlet

With a 1/2" NPT inlet and bottom outlet (90-degree) configuration

It is designed to replace specific OEM ECM motors

For those replacing older black belts

Ensure the thermostat does not exceed these dimensions and check that the metal enclosure does not interfere with localized Wi-Fi or Zigbee signal strength

Resistance decreases as temperature rises

Siemens Building Technology 171A-10300 Valve Assembly 326058-756 With a 1/2" NPT inletThe Siemens Building Technology 171A 10300 Valve Assembly is a high performance 2 way normally open control solution designed for precise hydronic regulation. Featuring a durable 1 2" NPT brass body and a chrome plated brass ball, this assembly is engineered to handle hot water, chilled water, and up to 50% glycol solutions. The integrated 0. 4 Cv equal percentage flow characteristic ensures linear heat output, making it ideal for terminal units like