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WellMate Manuals & User Guides

WellMate, a Pentair brand, makes fiberglass pressure and retention tanks for residential and commercial water systems, with corrosion-resistant composite construction.

Tip: include the full model number printed on your WellMate label for the best match.

About WellMate manuals on Manuals.plus

WellMate is a Pentair brand of composite fiberglass pressure, captive-air and retention tanks for residential and commercial water systems.

Browse manuals for installation instructions, operating limits, precharge guidance, maintenance and warranty details. Always match your tank's model number to the correct guide.

Follow the model-specific safety instructions and local plumbing codes. For warranty assistance, contact the selling dealer and retain proof of purchase and installation.

WellMate manuals

Selected manuals from manuals+ curated for this brand.

WellMate manuals from online retailers

Wellmate WM-9 / WM0120 Classic Fiberglass Tank User Manual

WM-9 / WM0120 • March 8, 2026
This manual provides detailed instructions for the installation, operation, and maintenance of the Wellmate WM-9 / WM0120 Classic Fiberglass Tank. Learn about its durable fiberglass construction, replaceable air…

Wellmate WM-35 / WM0450 Classic Fiberglass Tank User Manual

WM-35 • August 17, 2025
Comprehensive user manual for the Wellmate WM-35 / WM0450 Classic Fiberglass Tank, providing detailed instructions for setup, operation, maintenance, and troubleshooting. Learn about the durable, corrosion-resistant design and…

WellMate support FAQ

Common questions about manuals, registration, and support for this brand.

  • How do I find the correct WellMate manual?

    Check the model number on your tank label and match it to the manual title. Use the matching guide for pressure limits, connections and precharge instructions.

  • What should I check before installing a WellMate tank?

    Read the complete model-specific installation manual. Check the tank label for operating limits, protect the tank from freezing and follow local plumbing codes and pressure-relief requirements.

  • What precharge pressure should I use?

    Use the setting specified in your model's manual. Do not assume all WellMate tanks use the same precharge setting.

  • How do I request warranty assistance?

    Start with the dealer who sold the tank. The supplied commercial tank manual requires proof of purchase and installation; coverage and conditions should be checked in the warranty for your specific model.

  • Can I disassemble a pressurized tank?

    No. The supplied installation instructions require complete discharge of both air and fluid pressure before disassembling the tank, fittings or connected system.