Baxi
Baxi Pressure Gauge 7877730
Baxi pressure gauge assembly with fixing spring and fixing clip, part number 7877730, for compatible Baxi combi and system boilers.
At a glance
- Also known as 1112931
£18.25
£15.21 ex. VAT · VAT at 20%
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The Baxi 7877730 is a pressure gauge assembly supplied with a fixing spring and fixing clip. It is fitted to a range of Baxi combi and system boilers, where it provides a front facing analogue reading of the heating circuit pressure. The gauge allows the engineer or homeowner to confirm system pressure at a glance during servicing and commissioning.
Signs this part needs replacing
- The needle no longer moves in response to filling or draining the system
- The gauge reads zero or a fixed value regardless of actual system pressure
- The needle sticks, jumps or gives inconsistent readings
- The dial face is clouded, cracked or the lens is damaged
- The gauge body or connection weeps water
Before you order
- Confirm your boiler model against the fitment list above
- Check the existing gauge is front facing and matches the assembly shown
- Verify the fixing spring and clip are required for your installation
- Have the appliance GC number to hand when checking compatibility
Compliance
| Alternative numbers | 1112931 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| BAXI 424 ERP COMBI 2.1 | 47-077-74 | 47-077-74 | — | — |
| BAXI 430 ERP COMBI 2.1 | 47-077-75 | 47-077-75 | — | — |
| BAXI 436 ERP COMBI 2.1 | 47-077-76 | 47-077-76 | — | — |
| BAXI 615 SYSTEM 2 - FRONT FACING ANALOGUE PRESSURE GAUGE | 41-884-01 | 41-884-01 | — | — |
| BAXI 618 SYSTEM 2 - FRONT FACING ANALOGUE PRESSURE GAUGE | 41-884-02 | 41-884-02 | — | — |
| BAXI 624 COMBI 2 - FRONT FACING ANALOGUE PRESSURE GAUGE | 47-077-55 | 47-077-55 | — | — |
| BAXI 624 SYSTEM 2 - FRONT FACING ANALOGUE PRESSURE GAUGE | 41-884-03 | 41-884-03 | — | — |
| BAXI 630 COMBI 2 - FRONT FACING ANALOGUE PRESSURE GAUGE | 47-077-56 | 47-077-56 | — | — |
| BAXI 636 COMBI 2 - FRONT FACING ANALOGUE PRESSURE GAUGE | 47-077-57 | 47-077-57 | — | — |
| BAXI 818 SYSTEM 2 - FRONT FACING ANALOGUE PRESSURE GAUGE | 41-470-99 | 41-470-99 | — | — |
Showing 10 of 21 compatible appliances.
Documents & drawings
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