• Description
  • Why Buy From Us

Grundfos CU301 SQE Pump Controller w/40-100PSI Sensor

CU 301 is a control and communication unit developed for 3” SQE well pumps used in constant-pressure applications. CU 301 communicates with the pump via power line communication. No extra cables are required between the CU 301 and the pump.

CU 301 MkII constant pressure kit
The CU 301 control unit has been developed for the SQE submersible pumps.

The CU 301 enables:

  • constant-pressure control on the basis of one sensor signal,
  • setting of system pressure and
  • monitoring of operation and alarm indication.

The CU 301 communicates with the pump via the pump cable which means that there is no need for extra cabling between the CU 301 and the pump.

Product Specifications

Grundfos CU301 SQE Pump Controller w/40-100PSI Sensor Product Specifications

Electrical data

Main frequency: 60 Hz
Rated voltage: 1 x 100-240 V

Controls

Unit: 40 - 100 psi

Others

Country code: Namreg
Country of origin: TH
Custom tariff no.: 8537.10.9160

Product Manual

Grundfos Installation and Operation Instructions

CU301 Installer Manual

Grundfos Smartflow

Grundfos Instructions

Grundfos Residential Buildings

Product Warranty

Grundfos 2023 Limited Consumer Warranty

Product FAQs

N/A

Why Choose Green Vista Living


At Green Vista Living, we’re passionate about providing top-quality renewable energy and eco-friendly products that not only enhance your life but also help protect the planet. We’ve built our business with one mission in mind: to be the go-to destination for renewable energy solutions, outdoor gear, and off-grid supplies. When you shop with us, you’re not just getting innovative products—you’re joining a community that’s committed to sustainability.

We Put Our Customers First


As a small, dedicated team, we care deeply about your experience. Unlike large, faceless online companies, Green Vista Living offers a personal touch in everything we do. We're here for you from start to finish—whether you need product advice, support after a purchase, or just have questions. Our knowledgeable customer service team is always just a phone call or email away, ready to assist you in any way possible.

We Share Your Passion for the Planet


Our love for the outdoors and sustainable living runs deep. Most of our team hails from the mountains of Colorado, where renewable energy and the environment are part of daily life. So when you call Green Vista Living, you’ll speak directly with an expert who understands both the technical side of renewable products and the lifestyle they support. Whether you’re looking for solar generators, EV chargers, or any of our eco-friendly offerings, you can trust us to guide you with expertise and passion.

Trusted Industry Experts


Our close partnerships with the best brands in renewable energy and outdoor gear give us insider knowledge that you won’t find anywhere else. We’ve taken the time to carefully select products that stand out for their quality and reliability. At Green Vista Living, we believe in understanding our products inside and out so that we can help you make the right choice with confidence.

More Reasons to Love Green Vista Living


Price Match Guarantee: Thanks to our partnerships, we offer the best prices around. If you find a better deal, we’ll refund the difference.


Free Shipping: We offer free shipping on most orders to the lower 48 U.S. states, making your shopping experience even easier.


100% Secure Ordering: Our site uses SSL Encryption technology to keep your payment and personal information safe and secure.


Volume Discounts: For large orders, we’re happy to provide special pricing—just reach out for a custom quote.


Authorized Dealer: As an authorized dealer for all our brands, you’ll receive full manufacturer warranties with every order.


At Green Vista Living, we aim to make your renewable energy and outdoor experience as seamless and enjoyable as possible. With our unmatched customer service, expertise, and dedication to quality, you can shop with confidence, knowing you’re supporting a company that’s as committed to the planet as you are.

Frequently Asked Questions

Yes! We provide free and fast shipping on MOST orders within the continental United States. However, some specific brands and items will require a quote. You can live chat or call us for a quote
Most orders ship out within 1–2 business days and arrive within 3–5 business days depending on your location.
We offer easy returns as long as your item meets the conditions outlined in our Return Policy. Items must be unused, in original packaging, and returned within the specified return window.
Absolutely! Our in-house product experts are here to help. Live chat or call us 513-743-829 for personalized advice before or after your purchase.
Yes. All products include any applicable manufacturer warranties, and we’ll help you handle any warranty claims if needed.
Yes, we only sell 100% authentic, brand-new products, sourced directly from our manufacturers or authorized distributors.

Related Products