Replacement for Pentair Boost-Rite LA-MS05

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sjsherratt

sjsherratt

Bronze Supporter
May 15, 2009
25
Morgan Hill, CA
My booster pump froze-up (smells burnt too) and I am looking for a drop-in replacement. I currently have a Pentair Boost-Rite LA-MS05 running my Polaris 280 (which replaced a Polaris 480-Pro). I am using the hose kit. I see some info (snipped pasted below from): Booster Pumps - Further Reading

- The LA-MS05 has poor availability (discontinued?)
- The PB4-60 is listed on the Polaris 280 page - this is the lowest cost option, available on Amazon but says (This item can not be shipped to your selected delivery location, but I can get it from Leslies.com for $60 more). Can’t find GPM or PSI specs.
- The EC-LA01N is available on Amazon for $460
- The Hydroboost is available from other pool supply stores for about $100 more than the EC-LA-1N

Does someone have experience with the PB4-60 vs. Hydroboost vs. the EC-LA01N to propel my Polaris 280? If I buy the Hydroboost, what am I getting for the extra cost other than an additional 1.2 GPM, which I am not convinced I need to run the 280 (lots of water coming out of the wall fitting).

• Polaris/Zodiac/Jandy PB4-60 pump - dual voltage (230/115V); .75 HP motor with 1.25 THP; 3/4" Softube Quick Connect fittings (Anyone have more details? what are the BPM and PSI specs?)
• Pentair LA01N pump - dual voltage (230/115V); .75 HP motor with 1.5 SF giving 1.25 THP; provides 50 psi at 12 GPM; single stage impeller; hose and adapters included
• Pentair LA-MS05 Boost-Rite booster - dual voltage (230/115V); 1.1 HP motor with a 1.0 SF; provides 50 psi@ 13.2 US GPM; 1" inlet/outlet; 5 stage impeller; includes Hose Adapter Kit (353040)
• Pentair HydroBoost™ Booster Pump - replaces Boost-Rite pump - dual voltage (230/115V); 0.8 HP motor; provides 50 psi at 13.2 GPM; 1" fittings; 5 stage impeller; includes Hose Adapter Kit (360526)
 
ajw22 said:
I say get the PB4-60.

Let’s see what @1poolman1 installs in CA.
Click to expand...
Yup! Use them all the time. Don't worry about GPM as the wall fitting will adjust the flow. Intheswim on eBay has them for $380.00, a tremendously good price.
The BoostRite is a discontinued pump. Now the HydroBoost is Pentair's energy efficient model.
The Pentair Boost-etc. pumps are more energy efficient, I've tested with a true kW meter, and in PG&E country that can be a consideration. I've seen a 50% decrease in energy used, but a booster pump doesn't run that long nor use a tremendous amount of energy to begin with. Repairs to the PB4-60 are easy, as are to the LA01N, the others not so much.
 
Last edited:
Thanks. It's on the way. I was wondering about the difference between InTheSwim on eBay vs. their website. The PB4-60 is $60 more on their Website. Their eBay store seems like a reasonable bet. Yes, I'm a PG&E (Piggy) customer too, so energy efficiency helps. Thanks for the information!
 
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