Siemens Building Technology 243-0011 Relay 321894-708 Built with a robust housing

Built with a robust housing to withstand demanding mechanical environments

and integrated electric or hot water reheat functions

the Armstrong 175A3 Trap delivers the energy efficiency and steam system performance required for modern facility maintenance and industrial steam trap management

the HD44LR120 features a standard 48-frame size and is engineered for robust HVAC ventilation

Upgrade your air handling efficiency with the Trane FAN4216 Inducer Assembly

Siemens Building Technology 243-0011 Relay 321894-708 Built with a robust housingThe Siemens 243 0011 pneumatic relay is a versatile heavy duty analog relay designed for demanding commercial HVACR control environments. This multi function auxiliary device operates on a force balance principle, utilizing a Powers two valve design to maintain system stability and eliminate unnecessary air consumption. Built as a rugged die cast model, it features 1 8" NPT air connections for supply, output, and both direct and reverse acting inputs,