Siemens Building Technology S55155-A109 Floating Control 320735-701 use the Lennox 15G22 or

use the Lennox 15G22 or high-voltage equivalent

while the other is open for your pilot connection

The Robertshaw 110-203 Valve is a high-performance water heater thermostat Uni-Kit®

180 PSI for water

Siemens Building Technology S55155-A109 Floating Control 320735-701 use the Lennox 15G22 orThe Siemens Powermite MT Series S55155 A109 is a high torque electronic valve actuator engineered for precise terminal unit control in demanding commercial HVACR environments. Built for 24Vac floating control applications, this unit delivers a nominal force of 300N (65 lb), making it a reliable solution for managing MT series valves with a 7 32 inch (5. 5mm) stroke. As a veteran grade HVAC 3 position actuator, it features a fail safe mechanical spring