UP15-18B5 Bronze Circulator Pump, 1/2" Sweat, 1/25 HP, 115V
Brand: Grundfos
Part#: 59896114
Model: UP15-18B5
In Stock
Usually ships: within 1 business days
Grundfos UP15-18B5 circulator pump (Grundfos SKU# 59896114) is a single-speed model with bronze housing and 1/2" sweat inlets. This model is well suited for hot water re circulation as well as other open system types, including radiant, solar, fan coils, storage tanks, etc.

Technical Specifications:
  • Voltage: 115V
  • Amperage: 0.74 Amps
  • Hertz: 60 Hz
  • Phase: 1
  • Watts: 85W
  • Max Pressure: 145 psi
  • Max Temperature: 230F
  • Min Temperature: 36F
  • Flow Range: 0-14.7 GPM
  • Head Range: 0-13.9 ft
  • Horse Power: 1/25HP
  • Body: Bronze
  • Connections: 1/2" Sweat
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2 years from date of installation.
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Helpful? Yes -1 No
Verified Purchase
works as expected
was back ordered, but got here eventually
By Solar Pro (from Boulder, CO) on 07/07/2015
Ask a Question
How do I bypass to get hot water when the power is out?
Helpful? Yes 2 No
If your system is capable of supplying hot water in the event of a power outage, the hot water supply will function normally even if the power goes out, but without a recirculation feature. The same applies both for systems with and without a dedicated hot water return line. This means that you may have to open the hot water valve on the faucet and wait until the water from the heater reaches it, the old fashioned way.
By PexUniverse Customer Service on 08/31/2015
Three questions: 1. If this pump is installed between a water heater and a fixture, with a return line from the fixture to the water heater, will the fixture be able to draw water with the pump turned off? 2. Will this damage the pump? 3. Are any check valves or air purge devices required for this installation? Thanks!
Helpful? Yes 1 No
1. Yes. If pump is installed on a dedicated return line, hot water supply would function as usual even if the pump is turned off.
2. No.
3. Check valve is usually installed on the dedicated return line. Air vent/purge is not needed as long as pump is not installed at the highest point in the system.
By PexUniverse Customer Service on 04/21/2017
where is the check valve located on the grundfos up15-18b5
Helpful? Yes No
This model does not have a check valve.
By PexUniverse Customer Service on 02/18/2016
How do I reset if the pump has stopped working.
Helpful? Yes -1 No
If you have the pump controlled by a switching relay (such as Taco SR series) or an aquastat (Honeywell), you would need to reset the power to the relay/aquastat.
By PexUniverse Customer Service on 05/20/2013

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