The Vaillant Pressure Relief Valve is a replacement part suitable for use with Combi compact VCW (fan-assisted), ecoTEC VU (condensing), Thermo compact VC (fan-assisted), Thermo compact VC-VCW (balanced flue), VC-VCW (conventional flue), VWS (heat pump), Thermo compact VC (conventional flue), Combi compact VCW (conventional flue), VC-VCW (balanced flue) and Ecomax VU (condensing) boilers..
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