![]() Not all models were failing, but enough of them did that Grundfos reengineered the SCALA2. ![]() ![]() It’s hard to say how widespread the issue was, but Grundfos advised/requested that if you had already installed the pump, then to keep it in place. What Was the SCALA2 Recall About?īack in 2019, Grundfos issued a recall of models within the PC codes of 16*. Last, but not least, the engineers at Grundfos have been able to design more user-friendly controls and an easier installation process with the new SCALA2 series. MQ3-45 = rated head of 75.5 feet, max operating pressure of 109 psi, and max liquid temperature of 95-degrees Fahrenheit.SCALA2 = rated head of 88.6 feet, max operating pressure of 145 psi, and max liquid temperature of 113-degrees Fahrenheit.If you compare the specs on the 115v SCALA2 to the 115v MQ3, you will see a lot of similarities and a few important distinctions: Remember that no matter what you want, PlumbersStock has the best prices on all kinds of Grundfos pumps. The versatility ensures you have the machine you need. It works much like a variable frequency drive ( VFD). Certainly, the show-stopper with SCALA2 is the intelligent pump technology that ensures perfect water pressure automatically. The SCALA2 is as quiet as a modern dishwasher, operating at 47 dba. Where they differ is what really matters. Here are the SCALA2 models in question:īoth models share many of the same standard features that you’d expect, like dry run protection and a max operating ambient temperature of 32 to 113-degrees Fahrenheit. It ramps up and down when it needs to with its constant pressure system (more on that in a second). SCALA2 is built to meet your water flow demands. You no longer have to worry about horsepower when buying a residential booster pump. 230v MQ3-45 1 HP booster pump (all sold out).115v MQ3-45 1 HP booster pump (all sold out).230v MQ3-35 3/4 HP booster pump (all sold out).115v MQ3-35 3/4 HP booster pump (all sold out).For customers who want to continue buying the MQ3 series, PlumbersStock will carry it as long as we can because we know plenty of people will still be looking for it. You could say that it’s already begun and probably will be complete in June. They have made it easier to meet the variable demands of your plumbing system while delivering the reliability and integrity you expect with Grundfos engineering. SCALA2 did have a few manufacturer flaws (more on that later), but they’ve now been fixed, and it is the superior pump. Though SCALA2 hit the market a few years back, many customers remained dedicated to the older MQ3 series for its reliability. So how does the SCALA2 vs MQ3 series measure up? Our customers are very familiar with Grundfos. The latest and greatest in residential pressure boosting pumps is now officially the SCALA2 series. if you want to check that out or learn all about the differences between SCALA1 and SCALA2, we have the resources for you. Max noise level at full load are 53 dB(A) The built-in pressure tank reduces the number of starts and stops in case of leakages in the pipe system, causing less wear on the pump.Grundfos has now released the SCALA1. Thanks to its hydraulic design, permanent magnet motor and water cooling, the pump is extremely low-noise, 47 dB(A) in typical use, which makes it suitable for indoor as well as outdoor use. The automatic reset function can be deactivated. Restarting will be attempted every 5 minutes 8 times, there after new restart attempt will occur every 24 hours. In case of dry running or similar alarm, the pump will stop. The pump features an automatic reset function. If exposed to dry running, water shortage or excessive temperature, blocked pump, for example in case of seizure or overload, the pump will stop automatically, thus preventing a motor burnout. This facilitates easy installation and start-up of the pump and provides more reliable water supply in installations where there is a risk of dry running and leakages in suction hose or pipes. Provided it is filled with water, the pump is able to lift water from a depth of 8 m in less than 5 minutes. Grundfos SCALA2 has all the components necessary to ensure a comfortable pressure:Īs it is self-priming, the SCALA2 is able to pump water from a level below the pump. Plug the pump into the power outlet and the pump will start. SCALA2 can be installed in three easy steps: 1. SCALA2 incorporates integrated speed control enabling the keeping of the perfect pressure at the taps, meaning that the pump performance will increase with increasing demand. SCALA2 3-45 A Grundfos SCALA2 is a fully integrated, self-priming, compact waterworks for pressure boosting in domestic applications.
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