
Broag
Broag Diaphragm Natural Gas H S100082
Natural gas diaphragm from Broag, listed as a Q115 venturi restrictor for Broag commercial boilers.
£73.87
£61.56 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 Broag Diaphragm Natural Gas H is a natural gas diaphragm component used in Broag commercial boiler applications. The supplier listing describes this item as a Q115 venturi restrictor.
Signs this part needs replacing
- Unstable or irregular burner flame on the fitted appliance.
- Combustion readings that drift outside the expected range for the boiler.
- Poor or delayed ignition on a boiler that previously lit reliably.
- Whistling or unusual noise from the gas/air path at the venturi.
Before you order
- Confirm the appliance model against the fit line above before ordering.
- Check the existing diaphragm or restrictor marking on the boiler to match the Q115 reference.
- Verify the appliance is running on natural gas, as this component is specified for natural gas.
- Isolate the gas supply and carry out soundness checks after any work on gas-carrying components.
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| BROAG COMMERCIAL BROAG SPARE PARTS | — | — | — | |
| BROAG COMMERCIAL GAS 110 ECO 115KW | — | — | — |
Documents & drawings
Everything we hold for this part. Where a document exists but we don't hold it, the technical team will source it from the manufacturer — usually the same working day.
No technical questions yet for this part.
Not sure which part?
Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.
