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For veteran HVAC contractors managing legacy pneumatic control systems
many Fenwal controls require a minimum stable signal to maintain gas valve energization
For full capacity
This analog thermostat is specifically optimized for use with the 8A18Z-2 evaporative cooler control transformer relay
the Johnson Controls TE-6000-2 is factory-calibrated
KMC Controls RCC-1503 Relay Els PW 17895 For veteran HVAC contractors managingThe KMC Controls RCC 1503 is a professional grade adjustable reversing relay designed for pneumatic control systems requiring a 9 psi crossover point. As an in line pneumatic relay, it is engineered to provide a reversed proportional output signal based on a source input, making it essential for HVAC reverse acting control sequences. The unit features a factory calibrated 9 psig (62 kPa) input output crossover, ensuring precision in pneumatic signal