Vokera Syntesi 25/29/35 Boiler Pump Head 20104311
Trade-ready part listing Verify SKU, product condition and appliance compatibility before ordering.
Vokera
SKU N9167-EI

Vokera Syntesi 25/29/35 Boiler Pump Head 20104311

Vokera ERP Pump 20104311 - Replaced 10020438 & 10021792 Product Overview The Vokera ERP Pump 20104311 is a circulating pump designed for use within selected Vokera heating systems. The pump circulates he...
Availability Available to order
Product code N9167-EI
Brand Vokera
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Product information

Technical details

Vokera ERP Pump 20104311 - Replaced 10020438 & 10021792

Product Overview

The Vokera ERP Pump 20104311 is a circulating pump designed for use within selected Vokera heating systems. The pump circulates heated water throughout the boiler and central heating system, helping to distribute heat efficiently to radiators and heat exchangers.

Part number 20104311 replaces previous manufacturer part numbers 10020438 and 10021792. As an essential hydraulic component, the circulating pump supports correct water circulation and efficient heating system operation.

ℹ️ Product Condition Options:

This part may be available in New or Refurbished condition. Please select your preferred option from the dropdown menu above. Refurbished units are professionally inspected and tested to help ensure reliable operation. Please verify compatibility before purchasing to ensure correct fitment.

Technical Insight & Common Failure Symptoms

The circulating pump is designed to maintain continuous water flow around the heating circuit during normal boiler operation. Over time, internal wear, electrical faults, blockages, or mechanical issues may affect pump performance.

Typical symptoms linked to a failing circulating pump include:

  • Boiler failing to circulate hot water correctly
  • Radiators remaining cold or heating unevenly
  • Pump noise, humming, vibration, or unusual operation
  • Boiler lockouts or fault codes related to poor circulation
  • Reduced heating performance
  • Pump seizure caused by wear or internal component failure

Replacing a faulty circulating pump may help restore correct water circulation and support normal heating system operation.

You can usually find pump troubleshooting information in:

  • The Vokera Support Centre
  • The Vokera Spare Parts Catalogue
  • Your boiler installation and servicing manual
  • Boiler fault code documentation

Compatibility

This part (MPN: 20104311, replaces 10020438 & 10021792) is designed for models within the Vokera range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee correct fitment.

Safety Advice

Boiler parts involve gas, water, electricity, and heating system components. Installation and servicing must be carried out by a Gas Safe registered engineer in accordance with current regulations.

This part fits the following boilers:

Fits Appliance(s)
GC No.
Vokera 24 Mark 1 Serial # Up To 161380001
47-094-27 MARK 1 (161380001)
Vokera 24 Mark 2 Serial # 161380001 Onwards
47-094-27 MARK 2 (161380001)
Vokera 24 MK 3 (Serial # Ref. Contains ‘X’)
47-094-27 MARK 3
Vokera Linea 24E
47-094-27
Vokera Linea 28 Mark 1 Ser #r Up To 164370001
47-094-28 MK 1 (164370001)
Vokera Linea 28 Mark 2 (After Ser # Ref 164370001)
47-094-28 MK 2 (164370001)
Vokera Linea 28 Mark 3 (Ser # Ref Contains ‘X’)
47-094-28 MK 3
Vokera Linea 28E
47-094-28
Vokera Linea 726
47-094-40
Vokera Linea 730
47-094-42
Vokera Linea 735
47-094-44
Vokera Linea Plus AG
47-094-31
Vokera Mynute 28E
41-094-18
Vokera Mynute 35E
41-094-29
Vokera Synergy 29 E (A)
41-094-40
Vokera Synergy 29 LPG Rev 4 (03/2007)
2350765
Vokera Synergy 29 NG Rev 4 (03/2007)
2350763
Vokera Syntesi 25 E Rev 4 (01/07)
47-094-66 (2350813)
Vokera Syntesi 25 E Rev 4 (01/07) LPG
47-094-66 LPG (2350815)
Vokera Syntesi 25 Rev 6 (09/07)
47-094-46 REV 6 (2350723(816))
Vokera Syntesi 25 Rev 6 (09/07) LPG
47-094-46 REV 6 LPG (2350725(817))
Vokera Syntesi 29 E Rev 4 (01/07)
47-094-67 (2350843)
Vokera Syntesi 29 Rev 6 (09/07)
47-094-48 REV 6 (2350733(818))
Vokera Syntesi 29 Rev 6 (09/07) LPG
47-094-48 REV 6 LPG (2350735(819))
Vokera Syntesi 35 Rev 6 (09/07)
47-094-50 REV 6 (2351103(820))