Grundfos 99163903, Alpha2 15-55F Cast Iron Circulator Pump with GF 15/26 Flange and Terminal Box, 1/16 HP, 115 Volts, 1 Phase, .65 Amps, 21 GPM Max, 19 ft Max Head, Variable Speed Pump, Closed System
Grundfos Alpha2 15-55F Circulator Pump
ALPHA2 is the best pump to withstand the tough conditions in a heating system, and with four newly added features, it just got even tougher. First it has a robust start-up, which shakes free any impurities before the pump starts at the beginning of the heating season. Next is summer mode, and this is an adjustment of the pump’s performance in the summer to the warmer temperature outside – giving customers extra energy efficiency. It also includes a magnetite resistance, which ensures that no small pieces of metal get stuck in the pump’s vital parts when they are magnetise. Lastly is dry-running protection, which makes sure the pump never runs without liquid in the system. This pumps new features are added to the already unrivalled energy efficiency, easy installation and the fact that ALPHA2 covers both your heating demands and up to 90 % of your air-conditioning and cooling demands.
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*Note: Picture is illustrative and may not reflect the actual product.*