The Vaillant negative temperature coefficient sensor is compatible with Ecomax VU (condensing), Ecomax VUW (condensing), Thermocompact VC (fan-assisted), Thermocompact VU (fan-assisted), Turbomax VUW (fan-assisted), VC-VCW (conventional flue), Combicompact VCW (conventional flue), Thermocompact VC (conventional flue), Aquaplus VUI (fan-assisted), Combicompact VCW (fan-assisted), Thermocompact VC-VCW (balanced flue) and VC-VCW (balanced flue) boilers.
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