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Pressure Relief Valve - Geotherm VWS/Thermocompact VC

Part number (MPN)
190721
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Guide price (£)
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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 190721 fit?

The sources we checked list 190721 (Pressure Relief Valve - Geotherm VWS/Thermocompact VC, Vaillant) for: GEOTHERM VWS 103/2 230V GB, GEOTHERM VWS 141/2, GEOTHERM VWS 171/2, GEOTHERM VWS 220/2, GEOTHERM VWS 220/3, GEOTHERM VWS 300/2, GEOTHERM VWS 380/2 R1, GEOTHERM VWS 380/2, GEOTHERM VWS 380/3, GEOTHERM VWS 460/2, GEOTHERM VWS 63/2 230V GB, Vaillant Combicompact Vcw 240 T (88-95), Vaillant Combicompact Vcw 240 Xt (95-96), Vaillant Combicompact Vcw 242 E (88-95), Vaillant Combicompact Vcw 280 T (88-95), Vaillant Combicompact Vcw 280 Xt (95-96), Vaillant Combicompact Vcw 282 E (88-95), GEOTHERM VWS 101/2 230V ELEC, GEOTHERM VWS 61/2 230V ELEC, GEOTHERM VWS 81/2 230V ELEC. Always check the model and serial number on the data plate before ordering.

Does 190721 have equivalent or superseded part numbers?

The sources we checked list no equivalents for 190721. Ask a Vaillant stockist to confirm.

What should I check before fitting 190721?

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Some lists are dated and the part may have been superseded.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