ELGA equipment

About ELGA

ELGA is a British manufacturer of laboratory and clinical water purification systems, founded in 1937 by Walter Lorch. The company began making domestic electrical appliances and moved into water purification to solve limescale problems in steam irons. It is headquartered in High Wycombe, in the Lane End area of Buckinghamshire, United Kingdom. Since 2000 it has been part of Veolia Water Technologies, having been absorbed into Veolia through the Vivendi Water Systems acquisition. Its product range covers laboratory water purification systems, ultrapure water systems, clinical water purification systems, point-of-use systems and centralized distribution systems. The equipment is grouped under the PURELAB, MEDICA, CENTRA, BIOPURE and PURENERGY names.

Water purification is foundational to molecular biology, and the field term for what these units do is water purification itself: the production of reagent-grade and ultrapure water. PURELAB systems feed the workflows where trace contamination changes a result, including cell culture media preparation, electrophoresis buffers, and the mobile phases behind chromatography and mass spectrometry in proteomics and genomics work. MEDICA systems supply clinical chemistry and haematology analysers in molecular diagnostics laboratories, where feed water quality is tied directly to assay reliability. These systems are also used for general reagent preparation and glassware rinsing across microbiology and immunoassay benches, where the purity grade required is lower but consistency still matters.

ELGA PURELAB, MEDICA and CENTRA ranges

The PURELAB name covers the laboratory lines, built to deliver Type I ultrapure and Type II pure water at the point of use, typically through a combination of reverse osmosis, deionisation and ultraviolet treatment with a final polishing step. These are the systems a research lab installs when the application cannot tolerate ionic, organic or microbial contamination in the feed water.

MEDICA is the clinical range, designed to supply analysers and to feed central distribution loops in diagnostic laboratories. The emphasis there is reliability and continuous supply to connected instruments rather than the single-point polishing that characterises the bench units.

CENTRA covers centralized purification and distribution, for facilities that generate purified water at one point and ring it around multiple draw-off locations. BIOPURE is aimed at high-purity biological applications where endotoxin and microbial control are the governing requirements. PURENERGY extends the line into other specialised feed-water duties. Not every one of these families is represented in the current Questpair listings, so a buyer should check which lines are actually present against the configuration they need.

What does an ELGA water system cost on Questpair?

The Questpair catalogue lists 117 ELGA units from 14 verified suppliers and distributors across 7 countries. 99 percent of the listings are used. Prices run from EUR 86 to EUR 6.457. The average listing sits near EUR 1.388.

The wide price range reflects configuration more than anything else. A bench polishing unit and a full system with pretreatment, storage and dispensing occupy opposite ends of that spread. Because these are water purification systems driven by consumables, the condition of cartridges, membranes, UV lamps and final filters bears directly on what a used unit is worth, so the listed price is best read alongside the service state of the specific system. Where a buyer needs documentation or a manual, Questpair specialists respond within one hour, and parts can be sourced via Questpair. A warranty is often possible and is arranged in consultation for the specific listing. Across both the PURELAB laboratory systems and the MEDICA clinical range, the catalogue gives access to ELGA's water purification hardware at used-market prices, with condition as the variable to verify before buying.

Questpair review of ELGA

Our take based on listings data and supplier feedback

ELGA occupies a narrow, well-defined place in the laboratory supply chain: it makes the equipment that produces the water other instruments depend on. An HPLC system, a cell culture workflow, or a clinical analyser is only as clean as the water feeding it, and the brand's long presence in that role is the backdrop against which the Questpair listings should be read. The first benefit a buyer sees here is breadth. With 117 units listed from 14 verified suppliers and distributors, the catalogue covers more than one tier of the range. Point-of-use benchtop units sit alongside larger centralized configurations, which matters because a water system is rarely interchangeable: a bench with a single polishing loop and a facility running a distribution ring need different hardware, and both appear in the listings.

The second benefit is price, and here the catalogue skews heavily toward used stock. 99 percent of the listings are used. Prices run from EUR 86 to EUR 6.457. The average sits near EUR 1.388, which places the bulk of the inventory well below the cost of a comparable new installation. The spread is wide for a reason. A bare polishing unit and a complete system with pretreatment, storage and dispensing are different purchases, and the range from floor to ceiling reflects that rather than any single model's variation. A buyer reading these figures should match the price band to the configuration they actually need, not to the midpoint.

The third benefit is the split across product families. The PURELAB lines are the laboratory ultrapure and pure water systems, built for molecular biology, cell culture media preparation, and the feed water behind chromatography and mass spectrometry. The MEDICA range is the clinical side, supplying water to haematology and clinical chemistry analysers and to central distribution in diagnostic labs. Both families appear in the Questpair listings, so a research buyer and a clinical buyer are not shopping two separate markets. The CENTRA and BIOPURE lines, built for centralized and high-purity biological applications respectively, extend that reach further where they appear.

What the listings do not do is settle the condition question for you. These are used units in the main, and a water purification system's performance depends on consumables that deplete: deionisation cartridges, reverse osmosis membranes, UV lamps and final filters all have service lives. The price advantage is real, but it sits against the cost of returning a used unit to specification. A buyer should weigh the listed price against the consumable state of the specific unit rather than against the headline figure. Where warranty matters, it is arranged in consultation for the individual listing, and parts can be sourced via Questpair. The honest reading of this catalogue is that it offers access to a well-established water purification range at used-market prices, across both the laboratory and clinical sides of ELGA's output, with the usual caveat that condition on a consumable-driven instrument is the thing to verify before the price looks like a bargain.

**Breadth of listed inventory**

Across 14 verified suppliers and distributors, 117 ELGA water purification units are listed on Questpair, spanning point-of-use benchtop systems through to larger centralized configurations.

**Used units at accessible prices**

Of the items listed, 99 percent of the listings are used, with prices running from EUR 86 to EUR 6.457 and an average around EUR 1.388.

**Coverage across the PURELAB and MEDICA families**

Listings include both the PURELAB laboratory lines and the MEDICA clinical range, giving a buyer in one place the systems ELGA built for research ultrapure water and for clinical point-of-use supply.