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Description
SCALA1 Twin Installation SetThe Grundfos SCALA1 Twin Installation Set is a complete accessory package designed to connect two SCALA1 booster pumps into a fully synchronized twinpump system. Ideal for both domestic and lightcommercial water boosting applications, this set enables seamless installation, reliable redundancy, and increased watersupply performance. What it does: The installation set allows you to configure two SCALA1 pumps to operate in either: Duty Standby Mode One
The Grundfos SCALA1 Twin Installation Set is a complete accessory package designed to connect two SCALA1 booster pumps into a fully synchronized twin‑pump system. Ideal for both domestic and light‑commercial water boosting applications, this set enables seamless installation, reliable redundancy, and increased water‑supply performance.
What it does:
The installation set allows you to configure two SCALA1 pumps to operate in either:
- Duty/Standby Mode – One pump runs while the other remains on backup, automatically taking over in the event of a failure to ensure uninterrupted water pressure.
- Duty/Assist Mode – Both pumps work together when higher flow or pressure is needed, intelligently alternating roles to balance wear and extend lifespan.
Easy Setup & Smart Control
Once assembled, configuration is completed through the Grundfos GO Remote app, offering:
- Mode selection (duty/standby or duty/assist)
- Alternation control based on runtime or number of starts
- Real‑time performance monitoring and diagnostics
This makes the twin‑pump installation not only powerful but exceptionally easy to manage.
Key Benefits
- Ensures constant water pressure with built‑in redundancy
- Fast, intuitive installation
- Boosted flow capacity when needed
- Smart monitoring and control from any smartphone
- Long‑term reliability through automatic pump alternation
Specifications
Materials
Base plate Composite
O-ring Rubber, NBR
Manifold Composite
Screw material Stainless steel
Isolating valve Brass
Installation
Maximum operating pressure 116.03 psi
Type of inlet connection NPT(F)
Type of outlet connection NPT(F)
Size of suction port 1 inch
Size of outlet port 5/4 inch
Size of connection 1 inch
Number of screws 4
Number of baseplates 1
Number of manifolds 2
Number of valves 4
Number of o-rings 2
Electrical data
Length of cable 2.62 ft
Number of power cables 1
Others
Net weight 10.1 lb
Gross weight 11.7 lb
Shipping volume 0.6 ft³
Fits the following products: SCALA1
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 12 reviews
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Product Reviews
★★★★★ 3
MY DOG'S AREN'T INTERESTED ...
Color: Red
This is a large, heavy, hard rubber toy, so is of high quality. However, it is SO heavy that neither my 60-lb. female Boxer nor my 80-lb. male Bully will 'play' with it at all. They don't even chew on it. So, although it would probably be pretty indestructible, I have no way to verify that, since neither of my dogs show any interest at all. I've tried encouraging them, by holding on one end of it and encouraging them to grab the other end, but even that didn't work. Perhaps a much larger 'giant' breed dog would enjoy it.
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Reviewed in the United States on February 7, 2026
★★★★★ 5
Tough chewer for sure
My dog destroys toys. These are amazing, she chewys on them tell she's a slobbery mess. And they are holding strong. Glad a found these!
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Reviewed in the United States on February 10, 2026
★★★★★ 5
Fantastic toy for aggressive chewiers!
I have bought two of these for my granddaughters three dogs and they love them! In fact, I only bought one to see if they would, and all 3 played with it! One is a 5 year old pit mix, one is a 9 mo. lab mix, and ine is a 10 year old shepherd mix! Miss Lab goes through toys like melting ice, so they reall have to be well made. Not even Kong toys have made it with her! All three dogs have made it squeak, which we didn't know it did! If you have an aggressive chewier, this is the toy you need to put in the #1 spot on your list to buy!
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Reviewed in the United States on January 28, 2026
★★★★★ 4
Long lasting toy for destructive doggos
Nice toy and seems to be indestructible even with two Boston Terriers trying their best to destroy it.
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Reviewed in the United States on May 7, 2026
★★★★★ 5
Great chew toy
My dogs love this toy and we still have it a month later. That’s impressive since they are aggressive chewers.
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Reviewed in the United States on March 18, 2026