
Linx Square
inc. VAT
Free Samples
See the finish before you commit
Trade Account
Trade prices on every range
Expert Advice
Speak to our team · 020 4634 2203
Free Delivery
On orders over £300
Sold By The m²
Calculator on every tile and floor
Klarna & PayPal
Spread the cost, subject to status
Free Samples
See the finish before you commit
Trade Account
Trade prices on every range
Expert Advice
Speak to our team · 020 4634 2203
Free Delivery
On orders over £300
Sold By The m²
Calculator on every tile and floor
Klarna & PayPal
Spread the cost, subject to status

Trade Prices
Always trade prices, never retail markup.
UK Delivery
£50 flat rate • up to 20 business days.
FENSA Fitting
Professional install available.
by Linx Square
SKU: 168368
Need help with this product?
Our team can advise on specification, quantities and delivery — Mon–Fri, 9am–5pm.
Visit the Help CentreSelection

Linx Square
inc. VAT

Linx Square
inc. VAT

Linx Square
inc. VAT

Linx Square
inc. VAT
Plumbright Hand Tighten Valve Union Push-Fit Fitting The Plumbright hand tighten valve union is a reliable push-fit plumbing fitting designed for quick isolation and flow control within hot and cold water systems. Ideal for underfloor heating installations, plumbing maintenance, and general pipework applications, this valve union allows fast installation without the need for specialist tools while providing convenient manual shut-off when servicing or modifying a system. Key Features and Benefits Push-fit valve union for fast and straightforward installation Hand tighten design allows easy isolation and flow adjustment Suitable for hot and cold water systems Compatible with barrier pipe systems commonly used in underfloor heating Tool-free connection helps reduce installation time on site WRAS approved for confidence in water system compliance Durable plastic construction designed for long-term performance Suitable for both professional installers and DIY plumbing projects Suitable Applications and Compatibility This push-fit valve union is suitable for a wide range of domestic and light commercial plumbing applications, including wet underfloor heating systems, heating circuits, utility rooms, and general water distribution systems. It is designed for use with compatible plastic barrier pipe and can be integrated into both new installations and retrofit projects. The fitting is suitable for use in: Wet underfloor heating pipework Hot and cold water systems Heating maintenance and repair work Isolation points within plumbing systems Accessible service and maintenance areas Role In Underfloor Heating Within a wet underfloor heating system, reliable pipe connections and accessible isolation points are essential for efficient operation and future maintenance. This valve union helps installers isolate sections of pipework quickly, simplifying servicing and reducing downtime during repairs or adjustments. The push-fit connection also helps speed up installation times while maintaining a secure and dependable seal, making it a practical choice for modern underfloor heating floor builds and manifold connections where ease of installation is important. Guidance Ensure pipework is cut cleanly and inserted fully into the fitting for a secure connection. Always check compatibility with the intended pipe system before installation. The fitting should be installed in accordance with current plumbing regulations and manufacturer guidance. Technical Overview Push-fit valve union plumbing fitting Constructed from durable engineered plastic materials Suitable for hot and cold water applications Compatible with barrier pipe systems WRAS approved Designed for manual flow isolation and adjustment Suitable for operating pressures commonly found in domestic plumbing and heating systems :