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When it comes to achieving strong, leak-free joints in plumbing, using the right materials and techniques is critical — and flux is one of the most essential products in any plumber’s toolkit.

At Monsterplumb, we offer a wide range of high-quality fluxes trusted by professional plumbers across the UK. But why exactly is flux so important? Let’s break it down.

What is flux?

Flux is a chemical cleaning agent used during the soldering process. Its main job is to prepare and protect metal surfaces to ensure a clean, reliable joint when joining copper pipes and fittings.

Without flux, even the best soldering technique can fail due to oxidation and impurities on the metal surfaces.

Why is flux essential in plumbing?

✅ Prevents oxidation
When you heat copper pipes for soldering, they oxidise almost instantly. Flux helps prevent this oxidation, ensuring the solder can flow smoothly and bond effectively.

✅ Cleans the joint
Flux helps clean microscopic dirt and contaminants from the metal surfaces,

When upgrading or installing radiators, choosing the right radiator valves is just as important as selecting the radiator itself. The right valves not only control the heat output and efficiency of your system but also influence the overall style of your room.

At Monsterplumb, we stock a wide range of radiator valves, including trusted brands like Drayton and our own stylish Leonova range. Whether you’re looking for practical thermostatic radiator valves (TRVs), manual valves, or designer options in unique finishes, we’ve got you covered.

Why choose Thermostatic Radiator Valves (TRVs)?

Thermostatic Radiator Valves (TRVs) have become increasingly popular in recent years — and for good reason.

✅ Improved energy efficiency
TRVs automatically control the flow of hot water into the radiator based on the temperature you set. This helps maintain a comfortable room temperature and reduces wasted energy, ultimately saving on heating bills.

✅ Room-by-room control
With TRVs, you can set different

If your heating system isn’t working as efficiently as it should — for example, your radiators feel cold at the top but warm at the bottom — it’s likely they need bleeding. Trapped air inside the radiator stops hot water from circulating properly, leaving your home feeling chilly and potentially increasing your energy bills.

Luckily, bleeding your radiators is a simple task you can do yourself with minimal tools. Here’s everything you need to know.

Why do radiators need bleeding?

Over time, air can enter your central heating system. This air rises to the top of the radiator and prevents it from heating fully. By releasing (bleeding) this air, you’ll restore proper circulation, improve heating performance, and save energy.

What you’ll need

• A radiator bleed key (you can find high-quality options here)
• A cloth or small container to catch any drips
• A towel to protect your floor

Step-by-step: How to bleed your radiator

1. Turn off your heating

Make sure your heating is turned off and the radiators

If you’re looking to upgrade your kitchen and make everyday tasks easier, an instant boiling water tap could be the perfect addition. At Monsterplumb, we offer a wide range of stylish, high-quality boiling water taps at amazing prices — helping you enjoy the ultimate in modern kitchen convenience.

What is an Instant Boiling Water Tap?

An instant boiling water tap is a cleverly designed kitchen tap that dispenses boiling water at the touch of a lever or button, directly from your sink. No more waiting for the kettle to boil or cluttering up your worktops — with one of these taps, you’ll have steaming hot water instantly.

The Top Benefits of an Instant Boiling Water Tap

1. Save Time Every Day

One of the biggest advantages is how much time you save. Whether you’re making a quick cup of tea, prepping pasta, blanching vegetables, or filling a hot water bottle, you have instant access to boiling water whenever you need it.

2. Declutter Your Kitchen

Say goodbye to bulky kettles and free up precious

When it comes to modern plumbing installations, reliability, flexibility, and efficiency are crucial. That’s exactly why more and more plumbers and heating engineers are turning to MLCP (Multi-Layer Composite Pipe) fittings.

At Monsterplumb, we’re seeing huge demand for MLCP fittings, and for good reason. These versatile fittings combine the advantages of both metal and plastic systems, offering a lightweight yet robust solution for a wide range of applications.

But what makes MLCP fittings so popular — and which brand should you choose? Let’s take a closer look.

The advantages of MLCP fittings

✅ Lightweight and easy to handle
MLCP fittings are significantly lighter than traditional copper or steel systems, making them easier to transport, cut, and install.

✅ High flexibility
Multi-layer pipes can be bent easily, reducing the need for additional fittings and joints. This speeds up installation time and reduces the risk of potential leaks.

✅ Corrosion-resistant
Unlike metal-only systems,

Last Orders

Our last orders before Christmas will be dispatched on Thursday 19th December if in stock.

After this date we are then closed for Christmas and New Year, and will re-open on Thursday 2nd January when normal service will resume.

Please Note: We recommend getting your orders in on/before Tuesday 17th to ensure delivery before we shut down and avoid potential disappointment.

Where Can I Buy Cheap Copper Endfeed Fittings in Bulk?

If you’re in the plumbing trade, finding a reliable supplier for quality copper endfeed fittings at competitive prices is key to keeping your projects on time and budget. Whether you’re outfitting a small project or need fittings in bulk, you’ll find everything you need at Monsterplumb, the UK’s leading online plumbing merchant.

Why Choose Copper Endfeed Fittings?

Copper endfeed fittings are a staple for any professional plumber. They offer reliability, are cost-effective, and are perfect for connecting copper pipes in domestic and commercial water systems. The beauty of endfeed fittings lies in their simplicity—they require minimal materials and are quick to install, making them the go-to choice for those who value time and efficiency.

But not all copper fittings are created equal. At Monsterplumb, all our copper endfeed fittings are WRAS approved, ensuring you meet strict water safety standards in the UK. WRAS approval guarantees

What Type of Flexible Gas Pipe Should I Use?

When it comes to gas installations, selecting the right materials is crucial for safety, efficiency, and cost-effectiveness. At Monsterplumb, we’re committed to helping you make the best choices for your projects, which is why we want to introduce you to Flexigas—our top-of-the-line flexible gas pipe solution.

Why Choose Flexigas?

Flexigas is revolutionizing the way gas installations are approached. Whether you’re working on a retrofit, refurbishment, or new build, Flexigas is designed to meet the diverse needs of any project. Here are some compelling reasons to consider Flexigas for your next installation:

1. Speedy Installation

One of the standout features of Flexigas is its installation speed. It’s over four times faster to install than traditional copper piping. This not only means less time on the job site but also translates into significant labor cost savings. Imagine completing your projects in a fraction of the time!

2. Competitive Pricing

12 noon on Wednesday 20th.

We will then be closed for the Christmas break between 22nd December - Tuesday 2nd January, when service will continue as usual.

Our last orders before Christmas will be dispatched on Thursday 22nd December if in stock. After this date we are then closed for Christmas and New Year, and will re-open on Tuesday 3rd January when normal service will resume.