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

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

This board is the direct successor to legacy models

Smith heating units

If the link is intact

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