Broag
Broag Non Return Valve S103071
Broag non return valve, part S103071, for Broag Commercial GAS 320 ACE and GAS 620 ACE boilers.
£165.53
£137.94 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 Non Return Valve (part number S103071) is a boiler component that permits flow in one direction only, preventing reverse circulation through the appliance circuit. It is a Broag Commercial spare part intended for use on Broag Commercial GAS 320 ACE and GAS 620 ACE boiler models. Its function within the circuit is to maintain correct flow direction and stop backflow when the pump is not running.
Signs this part needs replacing
- Circulation continues through the appliance circuit when the pump is off
- Flow direction in the circuit is reversed or unstable
- Overheating or uneven heat distribution on the appliance side of the circuit
- Noise or vibration from the valve area during pump operation
- Visible damage, debris build-up or seizure at the valve body
Before you order
- Confirm the boiler model and output rating against the fit list above
- Check that part number S103071 matches the item being replaced
- Verify the connection and flow direction of the existing valve before removal
- Isolate and drain the relevant circuit section before fitting
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| BROAG COMMERCIAL BROAG SPARE PARTS | — | — | — | |
| BROAG COMMERCIAL GAS 320 ACE - 285 | — | — | — | |
| BROAG COMMERCIAL GAS 320 ACE - 355 | — | — | — | |
| BROAG COMMERCIAL GAS 320 ACE - 430 | — | — | — | |
| BROAG COMMERCIAL GAS 320 ACE - 500 | — | — | — | |
| BROAG COMMERCIAL GAS 320 ACE - 575 | — | — | — | |
| BROAG COMMERCIAL GAS 320 ACE - 650 | — | — | — | |
| BROAG COMMERCIAL GAS 620 ACE - 1000 | — | — | — | |
| BROAG COMMERCIAL GAS 620 ACE - 570 | — | — | — | |
| BROAG COMMERCIAL GAS 620 ACE - 710 | — | — | — |
Showing 10 of 11 compatible appliances.
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.