Ariston
Ariston Gas Restrictor D 5.00 60001921
Gas restrictor with a 5.00 mm diameter for Ariston natural gas boilers in the E-Combi EVO, E-System EVO and CLAS HE EVO ranges.
At a glance
- Also known as 1597391
- Gas-carrying components must be fitted and commissioned by a Gas Safe registered engineer
£2.98
£2.48 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 Ariston 60001921 is a gas restrictor with a 5.00 mm diameter, intended for natural gas operation. It sits within the gas circuit of the appliance and controls the flow of gas to the burner. It is used across the Ariston E-Combi EVO, E-System EVO and CLAS HE EVO boiler families.
Signs this part needs replacing
- Gas rate at the appliance falls outside the value stated in the manufacturer's instructions
- Combustion readings (CO/CO₂ ratio) sit outside the acceptable range
- Unstable or noisy flame at the burner
- Sooting or discolouration around the burner or heat exchanger
- Restrictor found missing, damaged or blocked during a service inspection
Before you order
- Confirm the appliance model and, where shown, the GC number against the list above
- Check the appliance is set for natural gas — this restrictor is not intended for LPG
- Compare the diameter marked on the existing restrictor with the 5.00 mm specified here
- Gas-carrying components must be fitted and commissioned by a Gas Safe registered engineer
Compliance
| Alternative numbers | 1597391 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ARISTON CLAS HE EVO 24 UK | 47-116-73 | 47-116-73 | — | — |
| ARISTON CLAS HE SYSTEM EVO 24 | — | — | — | |
| ARISTON CLAS HE SYSTEM EVO 24 UK | 41-116-42 | 41-116-42 | — | — |
| ARISTON E-COMBI EVO 24 FF | — | — | — | |
| ARISTON E-COMBI EVO 24 FF UK | 47-116-68 | 47-116-68 | — | — |
| ARISTON E-SYSTEM EVO 24 UK | 41-116-39 | 41-116-39 | — | — |
| ARISTON E-SYSTEM EVO 24 | — | — | — |
Documents & drawings
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