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DHW Thermistor 23&23E

Part number (MPN)
S5704200
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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 S5704200 fit?

The sources we checked list S5704200 (DHW Thermistor 23&23E, Saunier Duval) for: ENVIROPLUS F24E, OPALIA F 14 E NG, Saunier Duval Enviroplus F 24 E, Saunier Duval Enviroplus F 28 E, 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, Saunier Duval Thelia 23 After Ce, Saunier Duval Thelia 23 E After Ce, Saunier Duval Thelia 23 E Nc After Ce, Saunier Duval Thelia 23 Nc After Ce, Saunier Duval Thema C 23, Saunier Duval Themis 23 Nc After Ce. Always check the model and serial number on the data plate before ordering.

Does S5704200 have equivalent or superseded part numbers?

The sources we checked list no equivalents for S5704200. Ask a Saunier Duval stockist to confirm.

What should I check before fitting S5704200?

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Some lists are dated and the part may have been superseded.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.