Installer Sascha working in boiler room

Life is easy with Wilo – the advantages to you as an installer

Supporting you before, during and after installation

Whether you are looking for a new central heating pump to fix a broken heating system, upgrading your customer’s home with an energy efficient pump, or facing technical issues you will find all the support you need with Wilo.

Scroll down to find useful tools to make your life easier as a plumbing and heating installer.

The Wilo-Assistant App is the must-have tool for every installer

With everything you need at your fingertips

The app is packed with tools to support you with each stage of a pump’s life. You will find everything from selection software that helps you to plan a new project and identify the right pump for the job, to useful tools for commissioning and maintenance, plus a handy replacement guide that provides you with energy efficient alternatives to outdated pumps.

Pump selection and planning

  • Pump dimensioning: size up the right pump for your project
  • Pipe calculator
  • Unit converter
  • Savings calculator

Commissioning and maintenance

  • Smart connect: easily control and monitor hard to reach pumps using Bluetooth
  • Fault signal assistant: identify error and warning signals and find resolutions to faults
  • Hydronic balancing
  • Unit converter
  • Set-up, sync and diagnosis assistants

Pump replacement and spare parts

  • Replacement guide: identify suitable replacement pumps for your installation
  • Spare parts catalogue

Download Wilo-Assistant App:

App Store | Google Play Store

Pump replacement guide

Creating sustainable solutions with the right replacement pumps

Our pump replacement guide for heating and drinking water applications makes choosing the right pump for your installation easy.Simply enter the data from your old pump and the guide will find a suitable new Wilo pump that meets your needs.

The replacement guide is also integrated in the Wilo-Assistant App.

Scroll down to use the replacement guide...

Pump replacement guide

An expert guide to all your pump replacement needs

Find the right replacement pump quickly and easily among 9402 pumps.

Quick dimensioning tool

Pump sizing made simple

Do you need a heating circulation pump or hot water circulation pump for a residential application? If you’re not sure which size pump you need, our quick dimensioning tool will help you to find the right pump for your installation.

There are two simple ways to use the tool:

1. If you know the flow volume and head (duty point) simply enter them and a selection of suitable pumps will appear.

2. If you don’t know these values, enter some simple information about the building and you’ll be presented with your pump selection.

Click on the link below to use the tool

Video guidance for installers

Below you will find self-help videos for our Stratos PICO and Yonos PICO heating circulation pumps to help you install, set up, commission and trouble shoot should you experience an error code or warning signal.

Wilo-Stratos PICO

Wilo-Yonos PICO

Fault signal assistant for error codes

Identify common error codes, warning signals and learn how to solve them with our fault signal assistant tool.

The tool provides essential information on potential fault messages displayed on the pump's screen for specific Wilo products. It includes the cause, description, and possible solutions for certain faults, along with basic safety precautions. It is important to also refer to the installation and operating manuals for additional guidelines, particularly regarding safety and hazard instructions.

Fault signal assistant

Please enter the fault signal code:

Do you have any questions? We're here to help!

We offer comprehensive planning and operational advice for all products and solutions.

About us

The Wilo Group is one of the world's leading manufacturers of pumps and pump systems for water supply and HVAC technology. Our focus is on sustainable solutions and products.

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Wilo-Assistant

The Wilo-Assistant app brings the entire world of high-efficiency pump technology to your smartphone or tablet.