Does this unit require a separate mounting base

This black thermistor serves as the direct replacement for 0130P00142

this unit is engineered for heavy-duty contaminant removal in systems up to 5 tons

a 40VA transformer can typically replace a 20VA or 30VA unit

Schneider Electric (Erie) AG13B020 Actuator Els PW 17895 Does this unit require aThe Schneider Electric Erie AG13B020 is a heavy duty electric spring return actuator designed for reliable two position control in hydronic HVAC systems. Operating on 120V AC at 50 60 Hz, this normally closed unit is part of the industry standard AG series, specifically engineered to interface with PopTop zone valve bodies. The spring return fail safe ensures the valve returns to the closed position during power loss, protecting terminal equipment in