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How to control biofilm and colony counts in dental unit waterlines — CDC and ADA targets, HTM 01-05 practice, and the design, valve and fitting choices that keep DUWL water clean.
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How to specify materials, disinfection regimes and valves and fittings for haemodialysis water loops — AAMI/ISO 23500 guidance, dead-leg control and material compatibility explained.
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Practical velocity guidance for designers of domestic water systems — how erosion-corrosion, noise and premature fitting wear start, and how to size pipes and choose valves to avoid them.
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A practical B2B guide to blue water, copper pitting and blue-green staining — how brass fittings, flux residues and water chemistry interact, plus the field checks that separate the causes.
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A practical comparison of plumbing product approval schemes — WRAS, NSF/ANSI 61 and 372, KIWA, DVGW W 270, CSA B125 and WaterMark — plus an eight-point method for reading any certificate properly.
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A specification guide for care-home and senior-living estates teams: TMV2 vs TMV3, BS EN 1111, BS EN 1287, BS 7942, HTM 04-01 and BS 8300-2, plus dementia-aware fixture design and a practical checks list.
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How Pseudomonas aeruginosa and non-tuberculous mycobacteria colonise premise plumbing, what HTM 04-01, L8, ASHRAE 188 and DVGW W 270 require, and which fitting and design choices reduce biofilm risk.
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How importers and OEM buyers manage brass price volatility — LME and SHFE index-linked pricing clauses, CW617N vs CW602N DZR and low-lead alloy substitution, EN 10204 3.1 certificates, EN ISO 6509 checks and cost engineering levers.
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A practical specification guide to drinking fountains and bottle fillers in schools, offices and public buildings — WRAS and Regulation 31, NSF/ANSI 42, 53, 401 and 372 filtration claims, BS 8300 and ADA accessibility, and commissioning checks.
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How to specify 98°C instant boiling-water taps in commercial kitchens and offices — TMV2 and TMV3 requirements, HTM 04-01, EN 1717 backflow, WRAS approval, ACOP L8 and practical commissioning checks.
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Why air in hot-water circuits destroys circulation and components — air locks, pump cavitation, oxygen pitting and sludge, plus where to place air release valves and how to commission them.
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How to sequence point-of-entry softeners and filters with point-of-use RO without wrecking flow or pressure — pressure-drop budgeting, valve selection, bypass design and commissioning checks.
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