Siemens Building Technology 277-03169 Valve Assembly 318172-701 This HVAC motor protection accessory

This HVAC motor protection accessory is essential for field replacements or control panel upgrades where maintaining OEM specifications is necessary for system integrity

Precise System Logic: Acts as the central brain for 1830 and 1850 units

this digital timer switch provides an essential manual override and automatic mode with a battery-free power outage protection that preserves memory during service calls or grid fluctuations

As a veteran-grade three-wire pilot assembly

Flue Gas Safety: Features an engineered service drain loop design that acts as a physical barrier

Siemens Building Technology 277-03169 Valve Assembly 318172-701 This HVAC motor protection accessoryThe Siemens Building Technology 277 03169 Valve Assembly is a heavy duty 2 way normally open globe valve designed for precision flow control in demanding hydronic and steam applications. Built with a rugged bronze body and brass trim, this 1 1 2 inch NPT assembly provides a high flow capacity with a 25 Cv rating and an equal percentage flow characteristic for stable modulation. The unit is powered by a high torque 8 inch pneumatic actuator featuring