Heating Guides & Buying Advice
Practical, jargon-free guides from our heating specialists — with over 80 years' combined experience across our team. Learn how the key parts of your central heating work and how to choose the right replacement.
How Does a TRV Work? Thermostatic Radiator Valves Explained
A plain-English guide to how thermostatic radiator valves control temperature, what the numbers mean, and how they save energy.
4 min readWhat is an MPE Motorised Valve? Zone Valves Explained
Motorised zone valves control which parts of your heating system get hot water. Here's what MPE valves do and how to spot a faulty one.
4 min readHow to Replace a Myson Room Thermostat
A step-by-step overview of swapping an old room thermostat for a new wired or wireless model — safely and correctly.
5 min readTRV vs Manual Radiator Valve: Which Do You Need?
Thermostatic or manual? Understand the difference and where each type of radiator valve works best in your home.
3 min readWhy is My Radiator Not Heating Up? Common Causes & Fixes
Cold radiators are usually caused by trapped air, a stuck valve or sludge. Here's how to diagnose and fix the most common problems.
5 min readHow to Replace a Thermostatic Radiator Valve (TRV)
Swapping a seized or leaking TRV is a straightforward job with the right approach. Here's a safe, step-by-step overview.
6 min readTRV Not Working? How to Diagnose and Fix a Faulty TRV
A radiator stuck hot or stuck cold is often down to the TRV. Here's how to diagnose the fault and what to do about it.
4 min readMotorised Valve Replacement Guide (Zone & Mid-Position Valves)
Whether you replace the whole valve or just the actuator head, here's how motorised valve replacement works — and how to save a full drain-down.
6 min readChoosing the Right Room Thermostat: A Buyer's Guide
Dial, programmable, wireless or smart? Here's how to choose a room thermostat that suits your boiler, your home and your budget.
5 min readGenuine vs Aftermarket Heating Spares: What's the Difference?
Cheaper unbranded parts can be tempting — but here's why genuine heating spares usually work out better for reliability, fit and warranty.
4 min read