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Product code: S06123
Image shown for illustration purposes only.
View Large ImageThe cutting-edge ATAG Q51S is part of a system boiler range designed to maximise efficiency, giving you not only an ErP A rating but the very highest efficiency of up to 110%. ATAG have put many Yearss of research into producing this boiler which is suitable for use in larger properties and can control up to two heating circuits with 3-way valves with the addition of an extra controller. With an ultra-reliable stainless steel heat exchanger, the Q series keeps maintenance requirements to a minimum.
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