The Ranco A30-3725 Differential Control is a versatile

Engineered as a direct replacement for OEM HVAC capacitors

Oven Thermostat

provided the MFD ratings (30/5) remain identical and the physical dimensions allow for installation

It maintains the same primary 120V input and 24V output specifications required for legacy Enviro-tec equipment

Maxitrol SC11S-B Conditioner Refrigerant The Ranco A30-3725 Differential ControlThe Maxitrol SC11S B is a professional grade analog signal conditioner designed for precise gas modulation control in both direct and indirect fired HVACR systems. As the direct replacement for SC11S, this track mounted component integrates seamlessly into existing Maxitrol Selectra series installations. It is engineered to accept standard 4 20mA or 0 10 VDC input signals, converting them into a regulated 0 20 VDC output to drive modulating gas