SUPERB SET: 3 WAY 1 1/2" INSULATED MANIFOLD + 2 WAY 1 1/2" INSULATED MANIFOLD Low Loss Header 100kW 1 1/4" COATED. - 1 1/2" 100kW COATED Low Loss Header. Low-Loss Header also known as Hydraulic balancer serves for separation of boiler’s circulation from heating’s one.
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