The Grundfos UPS26-99FC is a 3-speed cast iron circulator pump (Grundfos SKU# 52722512) with built-in flow check. 3 speeds (Low/Med/High) of the Grundfos UPS26-99FC make this model very versatile and allow to use it in a large variety of heating applications including radiant, hydronic, radiators, fan coils, etc. A built-in flow check eliminates the need to buy and install a separate in-line check valve. This circulator is designed for closed-loop systems with medium to high flow rates and pressure drops. A built-in automatic resetting thermal protection of the pump assures motor safety and extends circulator's life.
Applications: - Closed loop radiant heating & snow melting systems.
- Baseboard/Radiator/Fan coil heating and other hydronic heating applications.
- And others.
- Built-in motor protection for longer life and better performance.
- Suitable for a wide range of applications, including radiant heating, hydronic heating, fan coil heating, solar and other system types.
- Whisper-quiet operation for sound sensitive installations.
- Includes (2) Gaskets (O-rings).
- UL/CSA listed.
- Voltage: 115V
- Amperage at Speed 1: 1.3 Amps
- Amperage at Speed 2: 1.5 Amps
- Amperage at Speed 3: 1.8 Amps
- Hertz: 60 Hz
- Phase: 1
- Watts at Speed 1: 150W
- Watts at Speed 2: 179W
- Watts at Speed 3: 197W
- Max Pressure: 145 psi
- Max Temperature: 230F
- Min Temperature: 36F
- Flow Range: 0-33 GPM
- Head Range: 0-29 ft
- Horse Power: 1/6HP
- Body: Cast Iron
- Connections: Flanged, 1/2", 3/4", 1", 1-1/4"
2 years from the date of installation
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Wonderful Product This company is great ! The Circulator Pump, works great ! The ultra fast shipping and customer service, is amazing. I would recommend them to anyone !
By Dianna (from Seneca rocks, WV) on
10/27/2021
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Works great Pumping great so far only two runs on it so far
By Joel (from Madelia, MN) on
10/15/2020
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Circulator pump It was all what I was expecting
By Silvio (from Barton, MI) on
03/12/2019
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Perfect Pump This worked perfectly for the job required.
By Quay (from Buhl, ID) on
12/20/2018
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works great product as described
By HVAC Tech (from Lansing MI) on
04/29/2016
Ask a Question
Is this part a compatible replacement for UP 26-99 F, P/N 52722355 P1
Yes, it would be a direct replacement.
By PexUniverse Customer Service on 02/03/2020
1-Can this Grundfos UPS2699-FC circulator pump able to pump in the downward direction installed verically, in a hot water boiler with baseboards by removing the 4 screws and turning the casting 180 degrees so the flow direction is in the downward direction ?2- If yes should I remove its check valve ?Note this is to replace an old Taco 110
The circulator can be installed in a manner you described (i.e. upside down). Check valve does not have to be removed unless required by your system's configuration.
By PexUniverse Customer Service on 11/03/2017
Can this pump be used on an open radient system?
Open radiant systems need either a bronze or a stainless steel circulator. The model you inquired about is cast iron (for closed loop systems only). An exact version of this pump in stainless steel would be part# 98961763.
By PexUniverse Customer Service on 12/12/2024
Would this repalce a B&G series 100 106189 pump or a Taco 0011-F4?
The closest model to B&G 106189 would be Taco 009 model. As for Taco 0011-F4, this specific Grundfos model (UPS26-99FC) can replace Taco 0011-F4 on 3rd speed setting.
By PexUniverse Customer Service on 01/08/2024
Can this pump be run continuously?
Yes, but if it overheats, it will shut down, as this model has integrated overheat protection.
By PexUniverse Customer Service on 11/12/2019 
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