Temperature Control, #PCB28-00 / Carel PCB (PYBU1R0537) NRE # 034637
Temperature Control, #PCB28-00 / Carel PCB (PYBU1R0537) 3 Relay
The controller is program for the unit it is in , the factory requires the Model and Serial Number
NRE # 034637
Everest # PCB28-00
Carel PCB (PYBU1R0537) 3 Relay
A suitable replacement would be our # 033073