Grundfos 00529913 Union Adapter Set 320788-704 the 1097526 maintains circuit integrity

the 1097526 maintains circuit integrity where standard aftermarket leads often fail under high-amperage startup loads

this specific valve is optimized for R-22 refrigerant systems

this single-speed unit runs at 3000 RPM to ensure consistent flue gas extraction and combustion efficiency

The SFCTR3P75A120VL utilizes high-quality silver cadmium oxide contacts to provide superior conductivity and resistance to welding under high-inrush currents

Grundfos 00529913 Union Adapter Set 320788-704 the 1097526 maintains circuit integrityThe Grundfos 00529913 Union Adapter Set is a professional grade 1 2" sweat connection kit engineered for high performance fluid handling. Constructed from heavy duty bronze, this pump union set provides superior corrosion resistance, making it an ideal choice for residential hot water recirculation systems and open loop heating applications. This genuine Grundfos replacement part is specifically designed for UP and UPS series circulator pumps,