Will fit: VAILLANT THERMO COMPACT VU VUW 615 E BOILER. VAILLANT THERMO COMPACT VU VUW 620 E BOILER. VAILLANT THERMO COMPACT VU VUW 624 E BOILER. VAILLANT THERMO COMPACT VU VUW 628 E BOILER. Products will not be covered if misused or not serviced as per maintenance instructions.
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