A bottle filler is not a drinking fountain with a taller spout, and a drinking fountain is not a tap. Both deliver potable water at a point where the public leans in, touches a nozzle and sometimes misses the bowl. Specifying them well comes down to three things: hygiene by design, honest filtration claims, and accessibility that genuinely works for a wheelchair user and a nine-year-old.
A combined bottle filler and fountain does two jobs with different flow requirements. Filling a 750 ml bottle in a reasonable time needs a laminar flow of roughly 1.5–2.0 litres per minute; drinking from a bubbler needs a gentle arc that clears the bowl. Units that compromise here tend to be slow to fill and messy to drink from. Ask for the flow rate at the nozzle in litres per minute, not the cooler rating on the label.
Chilled units add refrigeration. Cooling capacity, recovery time and the ambient rating — typically 27°C or 32°C — decide how many consecutive fills the unit can serve before the water turns tepid. In a school corridor or a busy office floor, the recovery figure matters more than the tank size.
Every surface the public touches, plus every internal surface in contact with drinking water, is a hygiene decision. Look for smooth, non-porous, crevice-free stainless steel; a bowl that drains fully with no standing water; a nozzle that is removable for cleaning and does not sit inside the drainage path; and, in the best units, sensor activation that removes the touch point entirely.
Materials in contact with potable water should satisfy Regulation 31 under the Water Supply (Water Fittings) Regulations 1999, and the finished unit should hold WRAS approval. Stainless steel grades 304 and 316 are the usual specification; 316 is preferred in coastal or heavily chlorinated duty.
On the installation side, size pipework to BS 8558:2015 and avoid dead legs, which are the classic site for Pseudomonas and Legionella growth in healthcare and school buildings. HTM 04-01 and HSG274 Part 2 both expect a documented flushing regime for intermittently used outlets, and drinking points standing idle out of term time are exactly that.
"Filtered" is not a specification. Filtration claims are made against named standards, and the certificate should state which ones:
Ask for the filter's rated capacity in litres and the claimed reduction percentages, then match them against the local water quality report. A filter rated for 3,000 litres in a school of 600 pupils is a service visit every few weeks, not an annual one.
No single regulation mandates a drinking-water temperature, but the WHO Guidelines for Drinking-water Quality and most national plumbing guidance treat cool water as the palatable case. Chilled units usually target 8–15°C at the nozzle, and guidance generally expects drinking water to remain well below 25°C at the point of use. Above roughly 20°C palatability falls and biological risk rises; below about 8°C many users find the water harsh and the energy cost climbs. Set the thermostat to the middle of the range and verify it at commissioning, not at the factory gate.
In the UK, accessibility is framed by Approved Document M of the Building Regulations, by BS 8300-1:2018 and BS 8300-2:2018 for the design of an accessible and inclusive built environment, and by the Equality Act 2010, which makes reasonable provision a legal duty in service delivery. In the United States, the 2010 ADA Standards for Accessible Design apply.
The numbers to write into the specification:
BS 6465-1 gives the scale of provision — how many drinking points a given occupancy needs — and it is the reference most specifiers forget until the water cooler count is challenged.
A drinking-water outlet involving mouth contact is treated as a serious-risk case, so approved units use an unrestricted air gap or a Type AA air gap between nozzle and bowl, and the unit is kept off any mixed hot/cold supply. Never route a drinking point through a thermostatic mixing valve, and never share a supply with a hand-wash or cleaning outlet. Separation is far cheaper than a sample failure.
A drinking point that is slow, tepid, out of reach or unhygienic simply does not get used — and an unused drinking point is a dead leg. Get all four right and the specification holds for its service life.
This guide was prepared by the technical team at Zhejiang Xindong Sanitary Ware Co., Ltd., a manufacturer of stainless-steel drinking fountains, bottle fillers, brass and steel sanitary ware and OEM water-point components supplied to importers, specifiers and facilities contractors. Technical enquiries: www.cn-xindong.com.
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The company, founded in 1999 and located in Yuhuan,specializes in taps, thermostatic shower valves and shower kits. With over 30,000 sqm of space and 380+ employees, we hold numerous certifications and 65+ patents.
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