Grundfos 95906639 Pump 326058-755 ensuring low contact resistance and

ensuring low contact resistance and excellent electrical conductivity even at minimum loads of 24 V

the 100208661 flow switch requires immediate replacement

Simplified Wiring: Includes a factory-installed junction box and standard lead lengths for fast field replacement

If you notice unusual vibration or noise without visible damage to the 5H0738390004 blades

Grundfos 95906639 Pump 326058-755 ensuring low contact resistance andThe Grundfos 95906639, also identified as the UPS 43 100 SF, is a high performance, three speed stainless steel circulator pump engineered for demanding hydronic heating and domestic hot water recirculation systems. Running on a 208V single phase motor, this wet rotor unit delivers a maximum flow of 65 GPM and a maximum head of 31 feet, providing the versatility needed to match specific system requirements across three distinct performance curves. Its