Description

Baxi DuoTec 40HE Pressure Switch

The Baxi pressure switch 5114748 helps monitor pressure levels within the boiler, so the appliance can operate safely and efficiently. However, when the pressure switch becomes faulty, the boiler may lock out or fail to respond correctly. Therefore, replacing it with this refurbished and fully tested unit helps restore reliable operation and proper pressure monitoring.

Compatible Boilers

This part is compatible with the following Baxi boiler models:

600 Combi Series

• 624 Combi – GC No. 47-077-28
• 630 Combi – GC No. 47-077-29
• 636 Combi – GC No. 47-077-30

800 System Series

• 818 System – GC No. 41-470-73
• 824 System – GC No. 41-470-74

800 Combi Series

• 825 Combi – GC No. 47-077-38
• 830 Combi – GC No. 47-077-39
• 836 Combi – GC No. 47-077-40

105 HE Series

• 105 HE A Instant – GC No. 47-075-50

Duo Tec HE Series

• Duo Tec 24 HE – GC No. 47-075-23
• Duo Tec 24 HE A – GC No. 47-075-35
• Duo Tec 28 HE – GC No. 47-075-25
• Duo Tec 28 HE A – GC No. 47-075-36
• Duo Tec 33 HE – GC No. 47-075-24
• Duo Tec 33 HE A – GC No. 47-075-37
• Duo Tec 40 HE – GC No. 47-075-26
• Duo Tec 40 HE A – GC No. 47-075-38

Duo Tec Combi ErP Series

• 24 Combi ErP – GC No. 47-075-96
• 28 Combi ErP – GC No. 47-075-97
• 33 Combi ErP – GC No. 47-075-99
• 40 Combi ErP – GC No. 47-077-03

HE System Series

• 15 HE System – GC No. 41-075-52
• 18 HE System – GC No. 41-075-53
• 24 HE System – GC No. 41-075-47
• 28 HE System – GC No. 41-075-48
• 32 HE System – GC No. 41-075-54

Megaflo HE A Series

• 15 HE A – GC No. 41-075-55
• 18 HE A – GC No. 41-075-56
• 24 HE A – GC No. 41-075-57
• 28 HE A – GC No. 41-075-58
• 32 HE A – GC No. 41-075-59

System ErP Series

• 15 System ERP – GC No. 41-470-18
• 18 System ERP – GC No. 41-470-19
• 24 System ERP – GC No. 41-470-20
• 28 System ERP – GC No. 41-470-21
• 32 System ERP – GC No. 41-470-22

Combi HE Series

• 24 HE – GC No. 47-075-20
• 28 HE – GC No. 47-075-21
• 33 HE – GC No. 47-075-22

Platinum Combi HE Series

• 24 HE – GC No. 47-075-27
• 24 HE A – GC No. 47-075-31
• 28 HE – GC No. 47-075-28
• 28 HE A – GC No. 47-075-32
• 33 HE – GC No. 47-075-29
• 33 HE A – GC No. 47-075-33
• 40 HE – GC No. 47-075-30
• 40 HE A – GC No. 47-075-34

Combi ERP Series

• 24 Combi ERP – GC No. 47-077-04
• 28 Combi ERP – GC No. 47-077-05
• 33 Combi ERP – GC No. 47-077-06
• 40 Combi ERP – GC No. 47-077-07

Why Choose This Product?

This refurbished Baxi pressure switch offers a practical and affordable way to restore reliable boiler performance. Each unit is fully tested and quality checked before dispatch. In addition, it includes a 12-month warranty for extra peace of mind.

Delivery and Return

Order before 1 PM for same-day dispatch with standard and next-day delivery options available. Returns are accepted within 30 days if the part remains unused and in original packaging. Always use a Gas Safe registered engineer for installation.

Frequently Asked Questions

1. What does a boiler pressure switch do?
The pressure switch monitors system pressure inside the boiler, which helps ensure safe and reliable operation. If the switch fails, the boiler may stop working correctly or display faults.

2. Is this pressure switch refurbished?
Yes, this unit is professionally refurbished, fully tested, and quality checked before dispatch. As a result, it offers a reliable replacement option at a lower cost.

3. How do I check compatibility?
Always compare the existing part number 5114748 with your original component before ordering. You should also confirm the appliance model and serial details.

4. Does this part include a warranty?
Yes, this refurbished Baxi pressure switch comes with a 12-month warranty. That added cover provides extra confidence when replacing faulty components.

5. Who should install this part?
A Gas Safe registered engineer should install the pressure switch to ensure safe and correct boiler operation. Professional installation also helps support warranty validation.