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Unvented Water Cylinder Engineers
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How Hard Water Silently Damages Your Unvented Cylinder (and What to Do About It) 30 Sep 2025 If you live in a hard water area (which is much of the UK), you already know about kettle scale and cloudy glassware. However, what you might not realise is that the same mineral build-up is quietly forming inside your hot water system, and fixing that is far more expensive than replacing a kettle. Your unvented cylinder is designed for reliability and efficiency, but limescale will slowly and silently destroy it. Over time, lime deposits reduce performance, waste energy, and could even leave you facing a “no hot water” emergency. Why Hard Water Is a Problem Hard water is rich… Read more
Energy Efficiency Hacks for Unvented Cylinder Owners 25 Sep 2025 Your unvented hot water cylinder is built to deliver strong, consistent water pressure and to refill and reheat fast. However, like any system, its efficiency depends on how well you maintain it. A perfectly functioning cylinder heats water with very little waste. One that isn’t maintained can quietly drain your wallet through higher energy bills, wasted water, and premature wear. The good news is that a few smart habits and simple checks can keep your system running at peak efficiency and save you money. Keep Your Combination Valve Clean and Healthy The combination valve regulates incoming water pressure, prevents backflow,… Read more
Annual Service vs. Emergency Repair: The Real ROI for Unvented Cylinders 9 Sep 2025 There are two ways to spend money when it comes to your unvented hot water cylinder: a little each year on routine servicing, or a lot all at once when something goes wrong. The choice might seem obvious, and yet many homeowners only call an engineer when the taps run cold. The truth is that waiting for a breakdown can cost you far more than a regular annual service, not just in pounds, but in stress, disruption, and even wasted energy. The Cost of an Emergency Repair If your unvented cylinder fails unexpectedly, you’re looking at: Higher call-out fees, especially… Read more
Should You Turn Off Your Unvented Cylinder at Night to Save Energy? 25 Jul 2025 If you’re trying to cut down on your energy bills or just curious about how your hot water system works, you might have asked yourself this simple question: Should I turn off my unvented hot water cylinder at night? The short answer: Not necessarily. In many cases, turning it off won’t save as much energy as you think and it could even end up costing you more. Let’s explore why that is, how unvented systems work, and the smartest ways to save money on your hot water without compromising comfort. How an Unvented Cylinder Works An unvented hot water cylinder… Read more
Is It Cheaper to Use a Timer for Your Hot Water Cylinder? 18 Jul 2025 If you’ve ever opened your energy bill and thought, “Where’s all this going?”, hot water is likely a big part of the answer. In many UK homes, the hot water cylinder is one of the most energy-hungry appliances. But is keeping it running all day necessary? Or can a timer help reduce your bills without leaving you with cold showers? We’ll explore what you need to know in this blog post. What a Hot Water Timer Actually Does A hot water timer controls when your immersion heater or boiler heats the water stored in your cylinder. Instead of running constantly,… Read more
How to Tell If Your Hot Water Cylinder Needs Replacing 11 Jul 2025 Hot water cylinders don’t last forever. They’re also a big expense. So, how do you know when yours is on the way out and how do you tell the difference between impending doom and a repairable problem? Failing hot water cylinders often gives warning signs before the issues become real trouble. Ignoring those signs can mean dealing with poor efficiency, rising bills, or even water damage in your home. The good news is that if you know what to look for, you can spot minor issues before one becomes a problem and decide whether to repair or replace the cylinder.… Read more
What to Look for in a High-Quality, High-Efficiency Unvented Cylinder 4 Jun 2025 Want high-pressure hot water at every tap in your home? It’s time to get rid of your old, vented cylinder and invest in an unvented cylinder. Unvented cylinders deliver mains-pressure hot water on demand, making sure you have comfortable showers, plenty of pressure and heat for washing up after a meal, and more. However, if you’re buying a new unvented cylinder, it’s important to realize that they’re not all created equal. If you’re making this investment, you want the best. That means efficient, durable, and built to last, with a price tag that won’t break your budget. Not sure how… Read more
No Hot Water? How to Troubleshoot Your Unvented Cylinder 14 May 2025 There’s nothing worse than stepping into the shower only to be hit with ice-cold water. If your unvented cylinder isn’t producing hot water, don’t panic. Many issues that can cause this problem have simple fixes. And there may not be a need to call for help just yet. Here’s how to troubleshoot the problem before calling in a professional. 1. Check the Power Supply If you have an electric unvented cylinder, the first thing to check is whether it’s getting power. Look at the fuse box. Has a breaker tripped? If so, reset it and see if the problem is… Read more
How to Properly Size a New Unvented Cylinder So You Never Run Out of Hot Water 23 Apr 2025 Is it time to replace that aging unvented cylinder? Perhaps you’re finally upgrading from a vented cylinder in hopes of enjoying mains pressure hot water at every tap in the home. Whatever the case, there’s an unvented model for every home, family and budget. The trick is getting the right one. No one likes running out of hot water, especially when you’re in mid-shower. But go too big, and you’re wasting energy (and money) heating water you don’t use. The challenge is getting the right size unvented cylinder for your household. Here’s how to make sure you never run out… Read more
How Does a Combination Valve Work, and When Should You Replace It? 16 Apr 2025 A combination valve is one of the most important components of your unvented cylinder. It quietly manages pressure, temperature, and safety in one compact unit. A combination valve (or combi valve, if you prefer) makes sure that water flows correctly, pressure stays within safe limits, and excess heat doesn’t become a hazard. But like all hardworking components, it doesn’t last forever. Because it’s so central to safe operation of your unvented cylinder, it pays to know both how it’s supposed to work and when you should replace it. That will save you time, money, and unnecessary headaches. How It Works… Read more Categories
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