Will fit: VAILLANT ECOTEC 2 826 BOILER. VAILLANT ECOTEC 2 832 BOILER. VAILLANT ECOTEC 2 836 BOILER. VAILLANT ECOTEC 2 840 BOILER. VAILLANT ECOTEC 2 940 BOILER. Products will not be covered if misused or not serviced as per maintenance instructions.
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