{"title":"Non-Pressurized Flow Centers (NP Series)","description":"\u003cp\u003eGeo-Flo NP series non-pressurized geothermal flow centers with Grundfos pumps: single-circuit NP1 and NP2 models, and dual-circuit NPD2 and NPD4 models.\u003c\/p\u003e","products":[{"product_id":"dual-circuit-2-pump-26-99-26-99-208-230-v-np-3-way-flush-ports-flo-link-connections","title":"Geo-Flo NPD2 Dual-Circuit Non-Pressurized 2-Pump Flow Center, (2) Grundfos UPS26-99, 208-230V, Flo-Link","description":"\u003cp\u003eGeo-Flo’s NPD Series non-pressurized flow centers are the only dual circuit non-pressurized flow centers in the industry that provide a truly closed-loop system with controlled pressure and vacuum relief and\u003cstrong\u003e incorporate 3-way valves for system flushing\u003c\/strong\u003e.  The pressure relief valve allows the system to be pressurized to 13 PSIG, which no other non-pressurized product can claim.  This is important since geothermal HDPE loop pipe contracts when the system is in heating mode increasing system pressure.  Further, our NP products include a vacuum relief valve (built into the cap) that is closed during normal operation, but opens when the system pressure drops below atmospheric pressure.\u003cbr\u003e\u003cbr\u003eGeo-Flo’s 3-way flushing valves with \u003cstrong\u003e\u003ca href=\"https:\/\/shop.phoenixenergysupply.com\/collections\/fitting-flo-link\" title=\"Flo-Link Fittings\"\u003eFlo-Link double O-ring\u003c\/a\u003e\u003c\/strong\u003e 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. \u003c\/p\u003e\n\u003cp\u003eFor help calculating the pressure drop of your geothermal system and selecting the appropriate flow center, try GeoDesign Pro. \u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.geodesignpro.com\/\" title=\"GeoDesignPro\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0828\/7784\/1652\/files\/GeoDesignPro_320by80.png?v=1789056238\" alt=\"GeoDesignPro\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Geo-Flo","offers":[{"title":"Default Title","offer_id":49077974008052,"sku":"NPD2-99-99","price":2838.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/7784\/1652\/files\/NPD2-99-99.png?v=1790608908"},{"product_id":"dual-circuit-4-pump-2-26-99-2-26-99-208-230-v-np-3-way-flush-ports-flo-link-connections-1","title":"Geo-Flo NPD4 Dual-Circuit Non-Pressurized 4-Pump Flow Center, (4) Grundfos UPS26-99, 208-230V, Flo-Link","description":"\u003cp\u003eGeo-Flo’s NPD Series non-pressurized flow centers are the only dual circuit non-pressurized flow centers in the industry that provide a truly closed-loop system with controlled pressure and vacuum relief and\u003cstrong\u003e incorporate 3-way valves for system flushing\u003c\/strong\u003e.  The pressure relief valve allows the system to be pressurized to 13 PSIG, which no other non-pressurized product can claim.  This is important since geothermal HDPE loop pipe contracts when the system is in heating mode increasing system pressure.  Further, our NP products include a vacuum relief valve (built into the cap) that is closed during normal operation, but opens when the system pressure drops below atmospheric pressure.\u003cbr\u003e\u003cbr\u003eGeo-Flo’s 3-way flushing valves with \u003cstrong\u003e\u003ca href=\"https:\/\/shop.phoenixenergysupply.com\/collections\/fitting-flo-link\" title=\"Flo-Link Fittings\"\u003eFlo-Link double O-ring\u003c\/a\u003e\u003c\/strong\u003e 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. \u003c\/p\u003e\n\u003cp\u003eFor help calculating the pressure drop of your geothermal system and selecting the appropriate flow center, try GeoDesign Pro. \u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.geodesignpro.com\/\" title=\"GeoDesignPro\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0828\/7784\/1652\/files\/GeoDesignPro_320by80.png?v=1789056238\" alt=\"GeoDesignPro\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Geo-Flo","offers":[{"title":"Default Title","offer_id":49077979742452,"sku":"NPD4-299-299","price":3489.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/7784\/1652\/files\/NPD4-299-299.png?v=1790608186"},{"product_id":"single-26-99-grundfos-3-speed-208-230-np-3-way-flush-ports-flo-link-connection","title":"Geo-Flo NP1 Non-Pressurized 1-Pump Flow Center, Grundfos UPS26-99 3-Speed, 208-230V, Flo-Link","description":"\u003cp\u003eGeo-Flo’s NP Series non-pressurized flow centers are the only non-pressurized flow centers in the industry that provide a truly closed-loop system with controlled pressure and vacuum relief and\u003cstrong\u003e incorporate 3-way valves for system flushing\u003c\/strong\u003e.  The pressure relief valve allows the system to be pressurized to 13 PSIG, which no other non-pressurized product can claim.  This is important since geothermal HDPE loop pipe contracts when the system is in heating mode increasing system pressure.  Further, our NP products include a vacuum relief valve (built into the cap) that is closed during normal operation, but opens when the system pressure drops below atmospheric pressure.\u003cbr\u003e\u003cbr\u003eGeo-Flo’s 3-way flushing valves with \u003cstrong\u003e\u003ca href=\"https:\/\/shop.phoenixenergysupply.com\/collections\/fitting-flo-link\" title=\"Flo-Link Fittings\"\u003eFlo-Link double O-ring\u003c\/a\u003e\u003c\/strong\u003e 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. \u003c\/p\u003e\n\u003cp\u003eFor help calculating the pressure drop of your geothermal system and selecting the appropriate flow center, try GeoDesign Pro. \u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.geodesignpro.com\/\" title=\"GeoDesignPro\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0828\/7784\/1652\/files\/GeoDesignPro_320by80.png?v=1789056238\" alt=\"GeoDesignPro\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Geo-Flo","offers":[{"title":"Default Title","offer_id":49077985509620,"sku":"NP1-99","price":1430.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/7784\/1652\/files\/NP1-99.png?v=1790546769"},{"product_id":"double-26-99-grundfos-3-speed-208-230-np-3-way-flush-ports-flo-link-connection","title":"Geo-Flo NP2 Non-Pressurized 2-Pump Flow Center, (2) Grundfos UPS26-99 3-Speed, 208-230V, Flo-Link","description":"\u003cp\u003eGeo-Flo’s NP Series non-pressurized flow centers are the only non-pressurized flow centers in the industry that provide a truly closed-loop system with controlled pressure and vacuum relief and\u003cstrong\u003e incorporate 3-way valves for system flushing\u003c\/strong\u003e.  The pressure relief valve allows the system to be pressurized to 13 PSIG, which no other non-pressurized product can claim.  This is important since geothermal HDPE loop pipe contracts when the system is in heating mode increasing system pressure.  Further, our NP products include a vacuum relief valve (built into the cap) that is closed during normal operation, but opens when the system pressure drops below atmospheric pressure.\u003cbr\u003e\u003cbr\u003eGeo-Flo’s 3-way flushing valves with \u003cstrong\u003e\u003ca href=\"https:\/\/shop.phoenixenergysupply.com\/collections\/fitting-flo-link\" title=\"Flo-Link Fittings\"\u003eFlo-Link double O-ring\u003c\/a\u003e\u003c\/strong\u003e 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. \u003c\/p\u003e\n\u003cp\u003eFor help calculating the pressure drop of your geothermal system and selecting the appropriate flow center, try GeoDesign Pro. \u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.geodesignpro.com\/\" title=\"GeoDesignPro\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0828\/7784\/1652\/files\/GeoDesignPro_320by80.png?v=1789056238\" alt=\"GeoDesignPro\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Geo-Flo","offers":[{"title":"Default Title","offer_id":49077985575156,"sku":"NP2-99","price":1807.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/7784\/1652\/files\/NP2-99.png?v=1790607649"},{"product_id":"single-26-116-grundfos-208-230-np-3-way-flush-ports-flo-link-connection","title":"Geo-Flo NP1 Non-Pressurized 1-Pump Flow Center, Grundfos UP26-116, 208-230V, Flo-Link","description":"\u003cp\u003eGeo-Flo’s NP Series non-pressurized flow centers are the only non-pressurized flow centers in the industry that provide a truly closed-loop system with controlled pressure and vacuum relief and\u003cstrong\u003e incorporate 3-way valves for system flushing\u003c\/strong\u003e.  The pressure relief valve allows the system to be pressurized to 13 PSIG, which no other non-pressurized product can claim.  This is important since geothermal HDPE loop pipe contracts when the system is in heating mode increasing system pressure.  Further, our NP products include a vacuum relief valve (built into the cap) that is closed during normal operation, but opens when the system pressure drops below atmospheric pressure.\u003cbr\u003e\u003cbr\u003eGeo-Flo’s 3-way flushing valves with \u003cstrong\u003e\u003ca href=\"https:\/\/shop.phoenixenergysupply.com\/collections\/fitting-flo-link\" title=\"Flo-Link Fittings\"\u003eFlo-Link double O-ring\u003c\/a\u003e\u003c\/strong\u003e 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. \u003c\/p\u003e\n\u003cp\u003eFor help calculating the pressure drop of your geothermal system and selecting the appropriate flow center, try GeoDesign Pro. \u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.geodesignpro.com\/\" target=\"_blank\" title=\"GeoDesignPro\" rel=\"noopener\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0828\/7784\/1652\/files\/GeoDesignPro_320by80.png?v=1789056238\" alt=\"GeoDesignPro\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Geo-Flo","offers":[{"title":"Default Title","offer_id":49077985673460,"sku":"NP1-116","price":1430.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/7784\/1652\/files\/NP1-116.png?v=1790546109"},{"product_id":"double-26-116-grundfos-208-230-np-3-way-flush-ports-flo-link-connection","title":"Geo-Flo NP2 Non-Pressurized 2-Pump Flow Center, (2) Grundfos UP26-116, 208-230V, Flo-Link","description":"\u003cp\u003eGeo-Flo’s NP Series non-pressurized flow centers are the only non-pressurized flow centers in the industry that provide a truly closed-loop system with controlled pressure and vacuum relief and\u003cstrong\u003e incorporate 3-way valves for system flushing\u003c\/strong\u003e.  The pressure relief valve allows the system to be pressurized to 13 PSIG, which no other non-pressurized product can claim.  This is important since geothermal HDPE loop pipe contracts when the system is in heating mode increasing system pressure.  Further, our NP products include a vacuum relief valve (built into the cap) that is closed during normal operation, but opens when the system pressure drops below atmospheric pressure.\u003cbr\u003e\u003cbr\u003eGeo-Flo’s 3-way flushing valves with \u003cstrong\u003e\u003ca href=\"https:\/\/shop.phoenixenergysupply.com\/collections\/fitting-flo-link\" title=\"Flo-Link Fittings\"\u003eFlo-Link double O-ring\u003c\/a\u003e\u003c\/strong\u003e 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. \u003c\/p\u003e\n\u003cp\u003eFor help calculating the pressure drop of your geothermal system and selecting the appropriate flow center, try GeoDesign Pro. \u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.geodesignpro.com\/\" title=\"GeoDesignPro\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0828\/7784\/1652\/files\/GeoDesignPro_320by80.png?v=1789056238\" alt=\"GeoDesignPro\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Geo-Flo","offers":[{"title":"Default Title","offer_id":49077985771764,"sku":"NP2-116","price":1807.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/7784\/1652\/files\/NP2-116.png?v=1790607841"},{"product_id":"double-upmxl-grundfos-variable-speed-26-99-208-230-v-np-3-way-flush-ports-flo-link-connections","title":"Geo-Flo NP2 Non-Pressurized 2-Pump Flow Center, Grundfos UPMXL Variable Speed \u0026 UPS26-99, 208-230V, Flo-Link","description":"\u003cp\u003eGeo-Flo’s NP Series non-pressurized flow centers are the only non-pressurized flow centers in the industry that provide a truly closed-loop system with controlled pressure and vacuum relief and\u003cstrong\u003e incorporate 3-way valves for system flushing\u003c\/strong\u003e.  The pressure relief valve allows the system to be pressurized to 13 PSIG, which no other non-pressurized product can claim.  This is important since geothermal HDPE loop pipe contracts when the system is in heating mode increasing system pressure.  Further, our NP products include a vacuum relief valve (built into the cap) that is closed during normal operation, but opens when the system pressure drops below atmospheric pressure.\u003cbr\u003e\u003cbr\u003eGeo-Flo’s 3-way flushing valves with \u003cstrong\u003e\u003ca href=\"https:\/\/shop.phoenixenergysupply.com\/collections\/fitting-flo-link\" title=\"Flo-Link Fittings\"\u003eFlo-Link double O-ring\u003c\/a\u003e\u003c\/strong\u003e 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. \u003c\/p\u003e\n\u003cp\u003eFor help calculating the pressure drop of your geothermal system and selecting the appropriate flow center, try GeoDesign Pro. \u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.geodesignpro.com\/\" title=\"GeoDesignPro\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0828\/7784\/1652\/files\/GeoDesignPro_320by80.png?v=1789056238\" alt=\"GeoDesignPro\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Geo-Flo","offers":[{"title":"Default Title","offer_id":49265446256884,"sku":"NP2-XL+99","price":2223.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/7784\/1652\/files\/NP2-XL_99.png?v=1790607460"}],"url":"https:\/\/shop.phoenixenergysupply.com\/collections\/non-pressurized-flow-centers.oembed","provider":"Phoenix Energy Supply","version":"1.0","type":"link"}