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Duval 5720800 3-Way Valve Isofast F28E

Part number (MPN)
05720800/SD
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Source
retailer parts list
checked 2026-11-06
Fitting notes

Work on gas appliances must be carried out by a Gas Safe registered engineer. Check the model and serial number on the boiler data plate. Source: a parts retailer's list, not the manufacturer's: confirm the part number on the data plate or with the manufacturer before ordering.

Compatible appliances

Always check the model and serial number on the data plate before ordering.

Frequently asked questions

Which appliances does 05720800/SD fit?

The sources we checked list 05720800/SD (Duval 5720800 3-Way Valve Isofast F28E, Saunier Duval) for: Saunier Duval Isofast F 28 E, Saunier Duval Isomax F 28 E, Saunier Duval Isomax F 28 E2 After 04001970, Saunier Duval Isomax F 28 E2 Before 04001970. Always check the model and serial number on the data plate before ordering.

Does 05720800/SD have equivalent or superseded part numbers?

The sources we checked list no equivalents for 05720800/SD. Ask a Saunier Duval stockist to confirm.

What should I check before fitting 05720800/SD?

Work on gas appliances must be carried out by a Gas Safe registered engineer. Check the model and serial number on the boiler data plate. Source: a parts retailer's list, not the manufacturer's: confirm the part number on the data plate or with the manufacturer before ordering.

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Some lists are dated and the part may have been superseded. Information only, compatibility not guaranteed.