Check gas flow, protect performance, stay compliant
Is your gas appliance burning the right amount of fuel?
Too much or too little gas can be unsafe, illegal, and inefficient.
The Mr Combi Gas Rate Calculator takes the guesswork out of it and ensures every appliance is running perfectly.

📲 Easy to Use
Designed to work alongside the Pipe Sizing App, this tool calculates:
* Gas flow rates in m³/h, ft³/h, or L/s
* Gross and net heat inputs in MJ/h, kW, and BTU/h
Simply input your appliance data and let the app do the rest — fast, accurate, and fully compliant.

🚀 Why It Matters
Correct gas rates mean:
* Safe, reliable appliance operation
* Full boiler efficiency
* Compliance with UK regulations
* Peace of mind for you and your customers

🔥 Download Now
👉 Get the Mr Combi Gas Rate Calculator today and make sure every appliance is burning just the right amount — no guesswork, no compromise.