Skip to product information
1 of 4

MPN: EV-RV15DC

Evolve 15mm Angled Wheel Head c/w Drain Off

Evolve 15mm Angled Wheel Head c/w Drain Off


Regular price £4.91 Excl. VAT
£5.89 Incl. VAT
Sale price £4.91 Excl. VAT
£5.89 Incl. VAT
Regular price
*For business & Trade Accounts only.
Want it processed today? Order within:

Safe & Secure Payments

Payment methods
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Klarna
  • Maestro
  • Mastercard
  • PayPal
  • Shop Pay
  • Union Pay
  • Visa

Key Information

Product Information

The Evolve 15mm Angled Wheel Head Valve with Drain Off is a practical and reliable component designed to support efficient radiator control and system maintenance. Part of the Evolve Contract range, this valve combines standard flow control with the added convenience of an integrated drain-off cock. This makes it an ideal choice for homeowners and professionals who want more flexibility during maintenance or system draining. Its angled design is suited to systems where pipework approaches the radiator from the wall or floor at a right angle, providing a neat and tidy connection. It’s perfect for traditional and modern heating systems alike.

Quality Construction and Functionality

The valve is built from durable, high-quality materials, ensuring long-term performance even in demanding heating systems. Here's a closer look at the materials and features: Body, Union Nut, and Tailpiece: Made from chrome-plated brass for corrosion resistance and visual appeal Valve Insert: Crafted from brass with EPDM rubber seats, offering a reliable, watertight seal Wheel Head Handle & Lockshield Cap: Manufactured from robust ABS plastic for easy handling and durability Drain Off Feature: The built-in drain cock allows water to be safely drained from the radiator or system without removing the valve – ideal for maintenance or flushing This combination of materials and features ensures smooth operation, easy flow control, and added convenience for radiator servicing.

Technical Specifications

Pipe Connection Size: 15mm Valve Type: Manual angled wheel head with integrated drain off Maximum Working Pressure: 10 bar Maximum Differential Pressure: 1 bar Minimum Water Temperature: 2°C Maximum Water Temperature: 100°C Maximum Ambient Temperature: 50°C

Why Choose This Valve?

Convenient Maintenance: The built-in drain cock saves time during repairs or system maintenance Angled Design: Ideal for pipework that connects at a right angle to the radiator Long-Lasting Materials: Chrome-plated brass body ensures corrosion resistance and robust performance Budget-Friendly: Part of Evolve's Contract range, offering quality at an affordable price Easy to Use: Simple manual operation for adjusting or shutting off radiator flow

Frequently Asked Questions

What is the purpose of the drain-off feature?

The integrated drain-off cock allows you to empty the radiator or part of the heating system without disconnecting any pipework. This is especially useful during maintenance, repairs, or if you're flushing out sludge.

Can this valve be used on all types of radiators?

Yes, as long as the radiator has a 15mm pipe connection and is compatible with angled valves. It's widely compatible with most domestic radiator setups.

Is it suitable for use with combi boiler systems?

Absolutely. This valve is suitable for use with all standard sealed and pressurised heating systems, including those connected to combi boilers. Just ensure system pressure does not exceed 10 bar.

Check out our full range of plumbing supplies.

Browse more valves available online.

Why Choose Us

At JJ Building Materials, we're committed to supplying quality building products at competitive prices, backed by the service and expertise you'd expect from an established independent merchant. Whether you're a trade professional managing large-scale projects or a homeowner taking on a DIY renovation, we're here to help you find the right products for the job.

As part of the JJ Roofing Supplies Group, we build on decades of experience supplying construction materials across the UK. We've expanded beyond roofing to offer a growing range of building materials, including timber, insulation, landscaping products, plumbing supplies, flooring, doors, bricks, fencing, garden buildings and much more – all available to order online with nationwide delivery.

We work with many of the industry's leading manufacturers to bring you trusted products that meet the highest standards of quality and performance. Our team is passionate about providing excellent customer service, competitive pricing and a straightforward shopping experience from start to finish.

When you shop with JJ Building Materials, you can expect:

  • Competitive prices on leading brands and quality products.
  • Nationwide delivery across the UK
  • A constantly expanding range of building and landscaping materials.
  • Friendly, knowledgeable customer support.
  • A trusted business backed by the JJ Roofing Supplies Group.

Delivery

Every order is personally reviewed by our experienced team to ensure everything is correct before dispatch. We offer delivery from as little as the next working day on selected products, so please refer to the dark blue Estimated Delivery box above for the expected delivery timeframe for this item.

We work with trusted manufacturers and specialist delivery partners to ensure your order arrives safely and on time. You'll receive tracking details once your order has been dispatched, and if we need to confirm any delivery details, one of our team will contact you directly to keep everything running smoothly.

Documentation

Evolve 15mm Angled Wheel Head c/w Drain Off

£4.91

Can I collect this product from a local branch?

Absolutely. Check availability at your nearest branch during checkout or contact us directly.

Do you offer bulk pricing or trade discounts?

Yes, we offer competitive rates for trade customers and bulk orders. Contact our team for a tailored quote.

What if the product arrives damaged?

Please notify us within 48 hours of delivery. We’ll arrange a prompt replacement or refund as needed.

How fast is the delivery time?

Most items are delivered within 2–5 working days, depending on stock and location. Some products may take longer times.

What is the Return Policy?

We accept most returns within 14 days of delivery, provided the items are unused, in their original packaging, and in resalable condition. Please contact our customer service team to arrange a return or discuss any concerns.