Domestic gas training, ACS support, technical resources and practical trade content for new and established gas engineers. Training • Calculators • Community
We offer training and assessment in ACS initial and reassessment, along with LPG , water regulations, unvented hot water safety systems and more. You can become a gas engineer from £3,000, depending on your current level of experience. Someone with no experience would pay approximately £4,000. Please contact us for further info. Are you part the way through your gas qualification? Are you struggli
18/06/2026
🎉 We’ll be at InstallerSHOW 2026! 🎉
Derek will be heading over to the NEC Birmingham next week for one of the biggest events in the industry. 🔧🚰🔥
If you’re attending, keep an eye out for Derek and come and say hello! 👋
Will you be there? Let us know in the comments 👇
🚰A bit more Water Regs knowledge today… 🚰
🤔 What is the minimum and maximum depth for a water main in England & Wales?
🔥 BONUS QUESTION 🔥
How deep should a gas main be installed?
Drop your answers below 👇💬
Think you know them both? Let’s see who gets it right 😎
17/06/2026
🚰 Today’s Water Regulations Challenge 🚰
Two questions for you…
❓ Where should the double check valve be installed on an outside garden tap?
❓ What type of air gap is required for a kitchen sink?
These are both common situations you’ll come across, but do you know the correct answers? 🤔
Leave your answers in the comments.👇💬
Let’s see who gets full marks! 😆🔧🚰
‼️Two questions today…‼️
Where should the double check valve be installed on an outside garden tap? 💧
What type of air gap is required for a kitchen sink? 🚰
Simple questions… but are they as straightforward as they seem? 👀
Watch the video, test your knowledge and let us know your answers in the comments 👇💬
Good luck! 🚰🔧
🚰 QUICK ONE FOR YOU PLUMBERS & GAS ENGINEERS … 🚰
You use a kitchen sink every day…
But what fluid category would it fall under? 🤔
And while you’re thinking about that…
❓ How many fluid categories are there in total?
Pop your answer in the comments 👇💬
No Googling! 😂
15/06/2026
🚰 FILLING LOOP vs JEPP VALVE 🚰
Today’s Question of the Day:
🤔 When protecting against back siphonage, what is the highest fluid category a double check valve can be used for?
Drop your answer in the comments and then head over to today’s video to see Derek explain a little more about the Jepp valve. 🎥
‼️When protecting against back siphonage, what is the highest fluid category a double check valve can be used for? ‼️
Today’s video also covers:
🚰 What’s the difference between a filling loop and a Jepp valve?
Think you know the answer? 👀
Drop your answer in the comments ⬇️💬
Let’s see who gets it right! 🏆
12/06/2026
🚨 FAULT FINDING FRIDAY 🚨
How many faults can you spot? 👀
Some are obvious…
Some are a little more sneaky… 😏
🔎 Take a good look at the photo and then drop your answers in the comments.
We’ll reveal the answers later. 😉
📝 ANSWER TIME! 📝
Yesterday’s challenge was all about flue gas analysing cookers in accordance with BS 7967.
Did you manage to fill in all the blanks? 👀
✅ CO limits
✅ Time limits
✅ Maximum CO readings
✅ Maximum CO/CO₂ ratio
Watch today’s video to see how many you got right and whether your answers match Derek’s. 🎯
💬 Be honest… what score did you get out of 4?
And if you missed yesterday’s challenge, have a go before watching the answers! 👇
11/06/2026
🔥Flue gas analysing cookers? 🔥
Have a go at filling in the blanks:
🤔CO readings must not exceed ______ for longer than ______ minutes.
🤔They must not exceed ______ ppm at any time.
🌟Bonus question: What is the maximum CO/CO₂ ratio a cooker oven can reach?
Good luck! 💪
Watch our latest video for the answer to yesterday's questions. ✅
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