Siemens Building Technology 134-1504 Thermostat 323080-701 Proper nitrogen purging and heat

Proper nitrogen purging and heat management are essential during installation to prevent carbon buildup inside the 3/8" line

Smith Cyclone units

Dripping usually indicates that the system's static pressure is approaching 150 PSI or thermal expansion is exceeding the capacity of the expansion tank

The Yellow Jacket 42004 Series 41 Manifold is a workhorse designed for the daily demands of field service

High-limit safety: Engineered with a 650 PSIG trip point to immediately interrupt the control circuit upon sensing excessive head pressure

Siemens Building Technology 134-1504 Thermostat 323080-701 Proper nitrogen purging and heatThe Siemens Building Technology 134 1504 is a heavy duty, 4 wire 2 circuit electric low temperature detection thermostat designed to protect hydronic coils and heat exchangers from localized freezing. This 15 55F range controller features a DPST switch action and a 20 foot copper capillary element, ensuring that if any one foot section of the bulb senses temperatures below the manual reset setpoint, the circuit trips to shut down fans or close