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Gasket Heating (PK100)

Part number (MPN)
S5485100
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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 S5485100 fit?

The sources we checked list S5485100 (Gasket Heating (PK100), Saunier Duval) for: ECOSY 24 E, OPALIS 5 WITH COCK, OPALIS 5 WITHOUT COCK, OPALIS 6 WITH COCK, OPALIS 6 WITHOUT COCK, Saunier Duval Combitek F 23 E, Saunier Duval Ecosy 24 E After 1997, Saunier Duval Ecosy 24 E, Saunier Duval Ecosy Sb 28 E After 00Z140, Saunier Duval Enviroplus FSb 28E, 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 Master TWIN L 85 E, Saunier Duval Opalia F 13 E, Saunier Duval Opalia X 13, Saunier Duval SD 235 C, Saunier Duval Sylva FF 24 E, 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 Thelia 30 E, Saunier Duval Thelia 623 Before Ce, Saunier Duval Thelia 623 Nc After Ce, Saunier Duval Thelia 623 Nc Before Ce, Saunier Duval Thelia Sb 23 After Ce, Saunier Duval Thelia TWIN 28 E, Saunier Duval Thema C 23, Saunier Duval Thema F 23 E, Saunier Duval Themaplus F 23 E, Saunier Duval Themis 223 (Ce), Saunier Duval Themis 23 Nc After Ce, Saunier Duval Twin F 28 After 00V02856, Saunier Duval Twin F 28 E, SD 14 C TNL LP (WITHOUT COCK), SD 14 C V LP (WITH COCK), SD 14 C V LP (WITHOUT COCK), SD 14 C V NP WITHOUT COCK, SD 14 CTNL NP WITHOUT COCK. Always check the model and serial number on the data plate before ordering.

Does S5485100 have equivalent or superseded part numbers?

The sources we checked list no equivalents for S5485100. Ask a Saunier Duval stockist to confirm.

What should I check before fitting S5485100?

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.