Vaillant Diverter Valve 252457
Trade pricing & order
Logged-in trade customers can view their assigned B2B price and add this item to their trade cart.
Trade pricing is available to approved accounts only. Sign in to your trade account to see your contracted B2B pricing and order this part.
Technical details
Vaillant Diverter Valve 252457
Product Overview
The Vaillant Diverter Valve 252457 is a critical component designed for specific Vaillant heating systems. This Diverter Valve mechanically directs hot water to either the radiators (heating) or the taps (hot water), ensuring demand priority. properly functioning components are vital for the energy efficiency and safety of your boiler.
This part may be available in New, Refurbished, or Compatible conditions. Please select your desired option from the dropdown menu above. All refurbished parts are professionally tested to ensure reliability.
Technical Insight & Common Failure Symptoms
Based on service data: Boiler is about 10 years old, never had any parts replaced in the past, believe diverter valve is a common fault on these? part no 252457. London homeowners face unique challenges with their heating systems, and diverter valve issues are among the most common boiler problems.
Replacing this part often resolves the following issues:
- Restores reliable system operation and eliminates fault codes.
- Resolves specific failure symptoms such as component malfunction.
- Ensures safety compliance and efficient boiler performance.
Compatibility
This part (MPN: 252457) is designed for models within the Vaillant range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee fitment.
Safety Advice: Boiler parts involve gas, water, and electricity. Installation must be carried out by a Gas Safe registered engineer.
