Description
The Non-Pressurized Plus (NPP) flow center includes all the features of our standard NP flow center but also includes ground loop fittings (1-1/4″ PE Fusion x Flo-Link) and an additional 3-way valve to completely isolate the earth loop from the heat pump, and allow the loop to be flushed separately from the heat pump. We offer multiple pump options with the NP and NPP flow centers, including:
- Grundfos UPS26-99 or UP26-116
- Variable speed,: Grundfos UPMXL 25-124
Geo-Flo’s 3-way flushing valves with Flo-Link double O-ring connections are built into the NP series flow center. By incorporating flushing valves into the flow center, the ground loop may be flushed without adding external flush ports, saving installation time and additional cost. For installers that wish to flush the ground loop separately from the interior piping and heat pump, we offer the NP Plus (NPP, see below).
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