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and 45RM2-1000 models
The MARS 43346 is factory-set to open the circuit when system pressure falls to 25 PSI and will automatically reset (close) when pressure rises back to 50 PSI
it ensures the internal impedance and signaling voltages align perfectly with the control board logic
and Coleman 6HK kits
Simplified Installation: Reducer bushings and mounting hardware are included to streamline the actuator field assembly process
Siemens Building Technology 243-0011 Relay 326070-701 and 45RM2-1000 modelsThe 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,