Siemens Building Technology 171A-10300 Valve Assembly 326058-756 Maintenance-Free Operation: Features a self-cleaning

Maintenance-Free Operation: Features a self-cleaning design and EPDM O-rings for long-term service life without frequent adjustment

5 to 15 psi with a high degree of setpoint stability for sensitive HVAC pressure monitoring

Resistance decreases as temperature rises

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

For those replacing older black belts

Siemens Building Technology 171A-10300 Valve Assembly 326058-756 Maintenance-Free Operation: Features a self-cleaningThe 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