PartsByCodespare parts by code

Themaclassic F 3 Way Valve Cartridge

Part number (MPN)
S1006400/SD
Check compatibility

Type your appliance model: we compare it with the 7 appliances in our sources.

Catalogue numberChecked sources
Direct linkseBay and Amazon
Free to useNo sign-up

Parts for the same appliances

OEM Replacement Part & Compatibility Table

Guide price (£)
Not available: check the current price with the seller
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 S1006400/SD fit?

The sources we checked list S1006400/SD (Themaclassic F 3 Way Valve Cartridge, Saunier Duval) for: THEMACLASSIC F SB 18 E SYS NG, Saunier Duval Themaclassic F 24 E, Saunier Duval Themaclassic F 30 E, Saunier Duval Themaclassic F 35 E, Saunier Duval Themaclassic F SB 30 E, Saunier Duval Themaclassic Plus 30 E, Saunier Duval Themaclassic Plus F 24 E. Always check the model and serial number on the data plate before ordering.

Does S1006400/SD have equivalent or superseded part numbers?

The sources we checked list no equivalents for S1006400/SD. Ask a Saunier Duval stockist to confirm.

What should I check before fitting S1006400/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.

View on eBay

Some lists are dated and the part may have been superseded.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