Glowworm Expansion Vessel with PRV 0020020744 was 801666 2000801312
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Technical details
Glowworm Expansion Vessel with PRV 0020020744 was 801666 2000801312
Product Overview
The Glowworm Expansion Vessel with PRV 0020020744 was 801666 2000801312 is a critical component designed for specific Vaillant heating systems. This Expansion Vessel accommodates the expansion of water as it heats up, maintaining stable system pressure. 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: The expansion vessel inside the boiler is not working, it has a rubber diaphragm that may have failed, or the air it it needs re pressurising back to 3/4-1 bar. Hi I am a Vaillant master technician. It sounds like the expansion vessel needs servicing or replacing. Let me know if I can help|Expansion
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: 2000801312) 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.
