the orifice size and gas valve regulator settings must be converted specifically for LP applications by a licensed technician

eliminating the need for a 24V step-down transformer

The logic board integrates seamlessly with standard 18-2 gauge thermostat wire

VRF layouts

and Barber Colman

Armstrong Fluid Technology 875001-800 Sleeve Insert 323613-751 the orifice size and gasThe Armstrong Fluid Technology 875001 800 Sleeve Insert is a precision engineered 3JE coupler insert designed to maintain the peak operational efficiency of end suction base mounted pumps. Specifically optimized for Armstrong 4030 and 4020 series circulators, this genuine OEM replacement part ensures a flexible yet secure connection between the motor and pump shafts. By utilizing high grade composite materials, the 875001 800 facilitates superior