BAXI DUOTEC 24 28 33 40 COMBUSTION CHAMBER GASKET SEAL 5114755 NEW
IN STOCK
FROM £12.90
Baxi Duo Tec 24 28 33 40 HE & HE A Combustion Chamber Gasket 5114755
Product Overview
The Baxi Combustion Chamber Gasket 5114755 is a sealing component designed for use within selected Baxi heating systems.
The combustion chamber gasket forms a high-temperature seal between the combustion chamber and surrounding components, helping to maintain an airtight combustion chamber during boiler operation. A correctly fitted gasket is essential for supporting safe and efficient combustion while preventing the escape of combustion gases.
Technical Insight & Common Servicing Requirements
The combustion chamber gasket is subjected to repeated heating and cooling cycles during normal boiler operation. Over time, the gasket may become compressed, brittle, or damaged, reducing its sealing performance.
Typical reasons for replacement include:
- Damage or deterioration during servicing
- Signs of wear, cracking, or compression
- Maintaining a secure combustion chamber seal after disassembly
- Preventing leakage of combustion gases
- Routine replacement in accordance with manufacturer servicing procedures
Replacing a worn or damaged combustion chamber gasket helps maintain the integrity of the combustion chamber and supports the safe operation of the boiler.
Compatibility
Manufacturer Part Number (MPN): 5114755
This part is designed for selected models within the Baxi Duo Tec, Platinum, Main Combi, Megaflo, and System ranges.
Please strictly verify the manufacturer part number 5114755 against your boiler's technical manual, exploded parts diagram, or existing component before ordering to guarantee correct fitment.
Safety Advice
Combustion chamber seals are safety-critical boiler components. Installation and servicing must be carried out by a Gas Safe registered engineer in accordance with current regulations and the boiler manufacturer's instructions.
This part fits the following boilers:
Fits Appliance(s)
GC No.
Baxi 124 Combi
Baxi 128 Combi
Baxi Duo Tec 24 HE
Baxi Duo Tec 24 HE A (After Serial No. BTG0815 Issue 9)
Baxi Duo Tec 24 HE A (Before Serial No. BTG0815 Issue 9)
Baxi Duo Tec 28 HE
Baxi Duo Tec 28 HE A (After Serial No.CAC0929 Issue 9)
Baxi Duo Tec 28 HE A (Before Serial No.CAC0929 Issue 9)
Baxi Duo Tec 33 HE
Baxi Duo Tec 33 HE A (After Serial No.BTH1112 Issue 9)
Baxi Duo Tec 33 HE A (Before Serial No.BTH1112 Issue 8)
Baxi Duo Tec 40 HE
Baxi Duo Tec 40 HE A (Issue 8)
Baxi 24 Combi
Baxi 28 Combi
Baxi 40 Combi
Baxi Combi 28 Compact
Baxi Duo Tec 2 24 GA Range
Baxi Duo Tec 2 28 GA Range
Baxi Duo Tec 2 33 GA Range
Baxi Duo Tec 2 40 GA Range
Baxi Duo Tec 24 Combi ErP (Serial No. Ending AC Issue 3)
Baxi Duo Tec 24 Combi ErP (Serial No. Ending BC Issue 2)
Baxi Duo Tec 24 Combi ErP (Serial No. Ending CC )
Baxi Duo Tec 24 Combi ErP (Serial No. Ending DC )
Baxi Duo Tec 28 Combi ErP (Serial No. Ending AC Issue 3)
Baxi Duo Tec 28 Combi ErP (Serial No. Ending BC Issue 3)
Baxi Duo Tec 28 Combi ErP (Serial No. Ending CC )
Baxi Duo Tec 28 Combi ErP (Serial No. Ending DC )
Baxi Duo Tec 33 Combi ErP (Serial No. Ending AC Issue 3)
Baxi Duo Tec 33 Combi ErP (Serial No. Ending BC Issue 2)
Baxi Duo Tec 33 Combi ErP (Serial No. Ending CC )
Baxi Duo Tec 33 Combi ErP (Serial No. Ending DC )
Baxi Duo Tec 40 Combi ErP (Serial No. Ending AC Issue 3)
Baxi Duo Tec 40 Combi ErP (Serial No. Ending BC Issue 2)
Baxi Duo Tec 40 Combi ErP (Serial No. Ending CC )
Baxi Duo Tec 40 Combi ErP (Serial No. Ending DC )
Baxi Ecoblue 24 Combi
Baxi Ecoblue 28 Combi
Baxi Ecoblue 33 Combi
Baxi Ecoblue Advance Combi 24
Baxi Ecoblue Advance Combi 28
Baxi Ecoblue Advance Combi 33
Baxi Ecoblue Advance Combi 40
Baxi Plus Combi 24
Baxi Plus Combi 28
Baxi Plus Combi 33
Baxi System 12
Baxi System 15
Baxi System 18
Baxi System 24
Baxi System 28
Baxi System 32
Baxi 12 System ERP
Baxi 15 System ERP
Baxi 18 System Ecoblue ERP
Baxi 24 Combi Ecoblue ERP
Baxi 24 System Ecoblue ERP
Baxi 28 Combi Ecoblue ERP
Baxi 28 System ERP
Baxi 32 System ERP
Baxi 33 Combi Ecoblue ERP
Baxi Advance Combi 24 ERP
Baxi Advance Combi 28 ERP
Baxi Advance Combi 33 ERP
Baxi Advance Combi 40 ERP
Baxi Plus Combi 24 ERP
Baxi Plus Combi 28 ERP
Baxi Plus Combi 33 ERP
Baxi 15 HE System
Baxi 18 HE System
Baxi 24 HE System (After Serial No BTF 0932)
Baxi 24 HE System (Before Serial No BTF 0932)
Baxi 28 HE System (After Serial No CAB 1112)
Baxi 28 HE System (Before Serial No CAB 1112)
Baxi 32 HE System
Baxi Megaflo 15 HE A
Baxi Megaflo 18 HE A
Baxi Megaflo 2 System 12 Compact GA
Baxi Megaflo 2 System 15 Compact GA
Baxi Megaflo 2 System 18 Compact GA
Baxi Megaflo 2 System 24 Compact
Baxi Megaflo 2 System 24 Compact GA
Baxi Megaflo 2 System 28 Compact GA
Baxi Megaflo 2 System 32 Compact GA
Baxi Megaflo 24 HE A
Baxi Megaflo 28 HE A
Baxi Megaflo 32 HE A
Baxi 15 System ERP (Serial No. Ending IN AC Issue 3)
Baxi 15 System ERP (Serial No. Ending IN BC)
Baxi 15 System ERP (Serial No. Ending IN CC)
Baxi 18 System ERP (Serial No. Ending IN AC Issue 3)
Baxi 18 System ERP (Serial No. Ending IN BC)
Baxi 18 System ERP (Serial No. Ending IN CC)
Baxi 24 System ERP (Serial No. Ending IN AC Issue 3)
Baxi 24 System ERP (Serial No. Ending IN BC)
Baxi 24 System ERP (Serial No. Ending IN CC)
Baxi 28 System ERP (Serial No. Ending IN AC Issue 3)
Baxi 28 System ERP (Serial No. Ending IN BC)
Baxi 28 System ERP (Serial No. Ending IN CC)
Baxi 32 System ERP (Serial No. Ending IN AC Issue 3)
Baxi 32 System ERP (Serial No. Ending IN BC)
Baxi 32 System ERP (Serial No. Ending IN CC)
Baxi Neta-Tec 24 GA
Baxi Neta-Tec 28 GA
Baxi Neta-Tec 33 GA
Baxi Neta-Tec Plus Combi 24GA
Baxi Neta-Tec Plus Combi 28GA
Baxi Neta-Tec Plus Combi 33 GA
Baxi Combi 24 HE
Baxi Combi 28 HE
Baxi Combi 33 HE
Baxi Platinum Combi 24 HE
Baxi Platinum Combi 24 HE A (After Serial No. BMY0815 Issue 6)
Baxi Platinum Combi 24 HE A (Before Serial No. BMY0815 Issue 6)
Baxi Platinum Combi 28 HE
Baxi Platinum Combi 28 HE A (After Serial No. BNC0932 Issue 7)
Baxi Platinum Combi 28 HE A (Before Serial No. BNC0932 Issue 7)
Baxi Platinum Combi 33 HE
Baxi Platinum Combi 33 HE A (After Serial No. BNE1112 Issue 5)
Baxi Platinum Combi 33 HE A (Before Serial No. BNE1112 Issue 6)
Baxi Platinum Combi 40 HE
Baxi Platinum Combi 40 HE A (Issue 4)
Baxi Platinum 2 Combi 28 GA
Baxi Platinum 2 Combi 33 GA
Baxi Platinum 2 Combi 40 GA
Baxi 24 Combi ERP (Serial No Ending CC)
Baxi 24 Combi ERP (Serial No Ending DC)
Baxi 24 Combi ERP (Serial No Ending EC)
Baxi 24 Combi Erp (Serial No. Ending IN AC Issue 2)
Baxi 24 Combi Erp (Serial No. Ending IN BC Issue 2)
Baxi 28 Combi ERP (Serial No Ending CC)
Baxi 28 Combi ERP (Serial No Ending DC)
Baxi 28 Combi ERP (Serial No Ending EC)
Baxi 28 Combi Erp (Serial No. Ending IN AC Issue 2)
Baxi 28 Combi Erp (Serial No. Ending IN BC Issue 2)
Baxi 33 Combi ERP (Serial No Ending CC)
Baxi 33 Combi ERP (Serial No Ending DC)
Baxi 33 Combi ERP (Serial No Ending EC)
Baxi 33 Combi Erp (Serial No. Ending IN AC Issue 2)
Baxi 33 Combi Erp (Serial No. Ending IN BC Issue 2)
Baxi 40 Combi ERP (Serial No Ending CC)
Baxi 40 Combi ERP (Serial No Ending DC)
Baxi 40 Combi ERP (Serial No Ending EC)
Baxi 40 Combi Erp (Serial No. Ending IN AC Issue 2)
Baxi 40 Combi Erp (Serial No. Ending IN BC Issue 2)
Potterton Gold 24 HE A Combi (After Serial No BMX0815 & GNH0815)
Potterton Gold 24 HE A Combi (Before Serial No BMX0815 & GNH0815)
Potterton Gold 24 HE Combi
Potterton Gold 28 HE Combi
Potterton Gold 28 HEA Combi (After Serial No BNF0932 & GNK0932)
Potterton Gold 28 HEA Combi (Before Serial No BNF0932 & GNK0932)
Potterton Gold 33 HE A Combi (After Serial No GNL1112)
Potterton Gold 33 HE A Combi (Before Serial No GNL1112)
Potterton Gold 33 HE Combi
Potterton Gold 24 Combi ErP (Serial No Ending AC)
Potterton Gold 24 Combi ErP (Serial No Ending BC & CC)
47-077-25
47-077-26
47-075-23
47-075-35
47-075-35 BEFORE
47-075-25
47-075-36
47-075-36 BEFORE
47-075-24
47-075-37
47-075-37 BEFORE
47-075-26
47-075-38
47-075-67
47-075-68
47-075-70
47-075-72
47-075-54
47-075-55
47-075-56
47-075-57
47-075-96 AC
47-075-96 BC
47-075-96 CC
47-075-96 DC
47-075-97 AC
47-075-97 BC
47-075-97 CC
47-075-97 DC
47-075-99 AC
47-075-99 BC
47-075-99 CC
47-075-99 DC
47-077-03 AC
47-077-03 BC
47-077-03 CC
47-077-03 DC
47-075-81
47-075-82
47-075-83
47-075-87
47-075-88
47-075-89
47-075-90
47-075-84
47-075-85
47-075-86
47-077-95
47-077-96
47-077-97
47-077-98
47-077-99
41-470-01
41-470-23
41-470-24
41-470-25
47-077-11
41-470-26
47-077-12
41-470-27
41-470-28
47-077-13
47-077-14
47-077-15
47-077-16
47-077-17
47-077-08
47-077-09
47-077-10
41-075-52
41-075-53
41-075-47
41-075-47 BEFORE
41-075-48
41-075-48 BEFORE
41-075-54
41-075-55
41-075-56
41-075-70
41-075-71
41-075-72
41-075-92
41-075-73
41-075-74
41-075-75
41-075-57
41-075-58
41-075-59
41-470-18 AC
41-470-18 BC
41-470-18 CC
41-470-19 AC
41-470-19 BC
41-470-17 CC
41-470-20 AC
41-470-20 BC
41-470-20 CC
41-470-21 AC
41-470-21 BC
41-470-21 CC
41-470-22 AC
41-470-22 BC
41-470-22 CC
47-075-51
47-075-52
47-075-53
47-075-64
47-075-65
47-075-66
47-075-20
47-075-21
47-075-22
47-075-27
47-075-31
47-075-31 BEFORE
47-075-28
47-075-32
47-075-32 BEFORE
47-075-29
47-075-33
47-075-33 BEFORE
47-075-30
47-075-34
47-075-61
47-075-62
47-075-63
47-077-04 CC
47-077-04 DC
47-077-04 EC
47-077-04 AC
47-077-04 BC
47-077-05 CC
47-077-05 DC
47-077-05 EC
47-077-05 AC
47-077-05 BC
47-077-06 CC
47-077-06 DC
47-077-06 EC
47-077-06 AC
47-077-06 BC
47-077-07 CC
47-077-07 DC
47-077-07 EC
47-077-07 AC
47-077-07 BC
47-393-18
47-393-18 BEFORE
47-590-05
47-590-06
47-393-19
47-393-19 BEFORE
47-393-20
47-393-20 BEFORE
47-590-19
47-393-43
47-393-43 BC
Delivery
Free next day UK delivery is available on orders over £50.
Orders placed before 3 PM are usually dispatched the same working day.
Delivery times may vary for remote areas, Highlands, islands, and non-mainland UK destinations.
If you need urgent delivery help, please contact our customer service team before placing your order.
All Orders First 30 Days:
You can return or cancel your orders for any reason at any time within 30 days of receipt. After 30 days, we reserve the right to charge a restocking fee or refuse the return.
Parts must be returned in the same condition and packaging as received, or we may deduct a percentage of the cost of the part.
A full refund or exchange will be agreed once the item(s) have been received and inspected to ensure they are unused and in their original packaging where applicable.
If the part is returned as faulty and is found to be working upon inspection, postage costs will be deducted from the refund.
Faulty Items After 30 Days:
All items come with a 1 year HTS warranty from the date of purchase. Warranty means HTS will repair or replace the item.
Refunds:
Our returns team will process your refund after we receive and check your items. Please allow up to 15 days for your refund to be processed.
The refund will be made to the original payment method used to place the order.
Contact Us:
For any queries, email us at returns@heatingtradesupplies.com or call +44 01912633708.
Customer Services
National Boiler Spares Ltd
Tyne View Terrace
Wallsend
Tyne and Wear
NE28 6SG
