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SKU: 31990
Save 23% · Retail: $429.00

   Available to Ship in 4-5 weeks

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Product Details

Product: Recirculating
Manufacturer: Grundfos
Use: Water
Mpn # 91121987
Weight 3.95 lbs.


4.5 out of 5 rating is our rating for, we got that rating because we have lots of experience and great people with expertise in plumbing. BUT WE WANT YOUR HELP. This product doesn't have any reviews yet, and we don't want to write our own reviews. It is more valuable to us that the customers get to share their experience with our products. Please, if you have any experience with this product, take a moment to share and help someone else who is trying to make a decision. Thank you!

Questions & Answers


The warranty covers product and material defects which are not the results of normal wear and tear for a period of 24 months from the date of delivery. The warranty period may not, however, exceed 30 months from the date of production.


Good day! Thank you for visiting We are glad that you are interested in our GRUNDFOS 91121987 CONSTANT PRESSURE STATUS BOX SQE. Yes, we sell both the pressure sensor and the pump. Check this out: Grundfos 91128636. It is a controller with the pressure sensor. For the booster pump, we recommend this GRUNDFOS 22-BMQE-05A-80. Just click "Add to cart" if you are ready to order this product. If you need additional help, you may reach one of our customer support expert @ 435-868-4020 or via e-mail @ Thank you for choosing as your shopping ally!