Vaillant Pressure Relief Valve Vc Vcw Vks 190721

Genuine Vaillant Pressure Relief Valve 190721 – Essential Safety for Your Heating System

A dripping pipe outside or a boiler constantly losing pressure often indicates a faulty pressure relief valve (PRV). This genuine Vaillant Pressure Relief Valve Vc Vcw Vks 190721 is a critical safety component, ensuring your heating system operates safely by preventing over-pressurisation.

Your Heating System's Safety Guardian

The Vaillant Pressure Relief Valve is a key safety device in your sealed heating system. As water heats and expands, pressure builds. The Vaillant 190721 automatically releases excess pressure (typically around 3 bar) by discharging water, protecting your boiler, radiators, and pipework from damage. This keeps your Heating Category safe.

Signs your PRV needs replacing include a constant drip from the discharge pipe, or your boiler's pressure gauge frequently dropping, requiring top-ups. While a faulty Expansion Vessel can cause similar issues, a PRV that's stuck or worn will lead to pressure loss. Ignoring a problematic Vaillant 190721 can waste water and reduce efficiency.

Fitting this genuine Vaillant 190721 ensures perfect compatibility with specified Vaillant models, guaranteeing correct fit, optimal performance, and safety. Using genuine parts like this is key for peace of mind. Find other spares for Morco or Halstead Spares in our range.

This Vaillant Pressure Relief Valve offers:

• Over-Pressurisation Prevention: Safely releases excess system pressure.
• Genuine Vaillant Part: Ensures compatibility and safety.
• System Integrity: Helps prevent leaks and damage.
• Durable Construction: Built for long-lasting reliability.
• Direct Replacement: For compatible boilers.
• Peace of Mind: Critical safety component.

Technical Specifications

• Brand: Vaillant
• Product: Pressure Relief Valve
• Part Number: Vaillant 190721
• Type: Safety Pressure Relief Valve (PRV)
• Set Pressure: Typically 3 bar (Verify system requirements)
• Connection Size: Typically 1/2" BSP (Verify)
• Compatible Vaillant Boiler Ranges (Examples - always verify with boiler manual or Gas Safe engineer):

• Combi compact VCW series (e.g., VCW 240 T, VCW 242 E)
• Thermo compact VC series (e.g., VC 110, VC 112 E)
• VKS Series, ecoMAX, and some VU series models

• List not exhaustive. Confirm compatibility before ordering.

Important Safety Information & Installation

Critical Warning: This Vaillant Pressure Relief Valve is a safety-critical component. Diagnosis, installation, and replacement must only be by a qualified, Gas Safe registered heating engineer. Incorrect installation is dangerous. Ensure discharge pipework is correctly installed. For reliable operation, check other components like pumps and controls.

If your Vaillant boiler's PRV is faulty, this genuine Vaillant 190721 is essential for safety and efficiency. Add to basket or head to our Contact Page for advice. Find all your needs at Heating And Plumbing World.