This plumbing design requires the hot water side of each fixture (faucet, shower or other appliance) be placed in a continuous loop by connecting a hot water return line from the last fixture to the water heater. |
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| Grundfos Hot Water Circulating Pump. Cast iron, in-line, 3-speed, closed system hot water circulator. Quiet maintenance-free performance. Low energy consumption, UL/CSA listed. $91.00 |
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| Grundfos In-line Hot Water Circulating Centrifugal Pump Cast iron, in-line, single speed, closed system hot water circulator. Quiet maintenance-free performance. Low energy consumption, . UL/CSA listed $270.00 |
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| Grundfos In-line Hot Water Circulating Centrifugal Pump Cast iron, in-line, single speed, closed system hot water circulator. Quiet maintenance-free performance. Low energy consumption, . UL/CSA listed. $298.00 |
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| Grundfos In-line Hot Water Circulating Centrifugal Pump. Bronze flanged housing, in-line, single speed, open system hot water circulator. Quiet maintenance-free performance. Low energy consumption, . UL/CSA listed. Flanges, timer and aquastat must be ordered separately $187.00 |
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