Thank you for sharing your feedback. We're sorry to hear about your experience with our customer service, as it's important to us to provide comprehensive support, and it's disappointing to learn that we didn't meet your expectations.

We would like to assist you further by providing the technical information you need. Please contact us directly at dbsamericas@grundfos.com, and we'll make sure to connect you with a knowledgeable team member who can help.

Your feedback is crucial in helping us improve our services, so thank you for letting us know about this issue.
Kind regards, Ty