Dual-Code Compliance: Meets both ASME and ASHRAE Standard 15 safety requirements for refrigerant vessel protection

you can swap it out confidently knowing the shaft diameter

or nuisance tripping of the manifold pressure switch

Direct Compatibility: Built for use with HVAC mixing tubes to ensure the thermistor is protected while sampling a consistent airflow cross-section

Installation typically follows the wiring diagram of the S443A interface or the specific Modutrol motor being controlled

Armstrong Fluid Technology 182212-843 Pump Refrigerant Dual-Code Compliance: Meets both ASMEThe Armstrong Fluid Technology 182212 843 Pump is a high performance E14. 2 CI 120V Circulator designed for efficient fluid movement in hydronic heating and cooling systems. Built with a 2 5HP, single phase motor operating at 3300 RPM, this cast iron circulator pump delivers a maximum flow of 52 GPM and up to 61 feet of head. As part of the advanced ARMflo E. 2 Series, it features a maintenance free design with permanently lubricated bearings and a