About this app
Our Wiring & Controls app will help you master two and three-port controls by helping you to understand how they work and how to wire them up correctly. You'll also learn how to fully test the system and some fault finding techniques, giving you the confidence you need when you're at a customer's house. The app contains 19 chapters with 73 minutes of all new content: 1. Introduction to Systems 2. System Overview - Two-Port 3. System Overview - Three-Port 4. Tools & Testing Equipment 5. Programmers 6. Room Stats 7. Cylinder Stats 8. Two-Port Valves 9. Three-Port Valves 10. Wiring Centres 11. Sequence of Wiring - Two-Port 12. Sequence of Wiring - Three-Port 13. Wireless Controls 14. System Testing - Two-Port 15. System Testing - Three-Port 16. Fault Finding - Two-Port 17. Fault Finding - Three-Port 18. Frost Protection 19. Automatic Bypass Valves If you want to improve your skills installing or fault finding on Danfoss & Honeywell heating controls, this is the app for you!
Latest release
What’s New
We've made some small changes under the cover.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 23, 2026 · 10:56 AM $4.99
Screenshots
