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This is an aftermarket part, not an original manufacturer part. Instrument names and part numbers identify what it fits and replaces; they remain the trademarks of their owners. The manufacturer, country of origin, rated life and warranty are stated in the quote, before you decide anything. If you need the OEM part, say so and I will quote that instead.

Pump and injector spares

PerformancePLUS check valve cartridge for Waters 2695

Replaces OEM part number: 700000254

Check valve cartridge for the Waters 2695 Alliance, cross-referenced to 700000254. A check valve that is not seating gives you a pressure trace that swings with the pump stroke, and the free test is worth running first: sonicate the cartridge in isopropanol and refit it. A valve held open by a particle or by precipitated buffer often recovers, and one that is genuinely worn does not. That five minute check separates the two and costs nothing.

Type: Check valve cartridge
Fits: Waters 2695 Alliance
Replaces: 700000254
Condition: new
Price: Quoted per order, in Canadian dollars

Request a quote +1 437-505-5995

Before you order: if the instrument is misbehaving, tell me the symptom, not the part number. Lamps and seals get replaced for problems they did not cause. The first look costs nothing, and if this part is not the fix, I will say so.

How buying works, written for procurement →

More for Waters and similar systems

Deuterium lamp for Waters detectors, flanged base with a flying lead and a keyed connector.

Detector lamps and light sources

Deuterium lamp for Waters 2489 and 2998 detectors

Aftermarket deuterium lamp for the Waters 2489 and 2998, cross-referenced to 201000281. The 2489 runs at set wavelengths and the 2998 reads the full spectrum, and the same lamp serves both. On either detector, deuterium output falls fastest in the deep UV, so a method running at 210 nm loses sensitivity long before one running at 254 nm does. This detector expects a lamp carrying an RFID tag. The chip is listed in the specification above, and it is worth confirming before you order, because a chipless lamp can be refused by the instrument.

Type: Deuterium
Fits: Waters 2489, 2998
Replaces: 201000281, 201000273
RFID chip: Yes

Price on request

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Detector lamps and light sources

Deuterium lamp for Waters 996 and 2996 PDA detectors

Deuterium lamp for the Waters 996 and 2996 photodiode array, cross-referenced to WAT052586. A PDA reads the whole spectrum at once, which is what makes lamp ageing visible earlier here than on a fixed wavelength detector: pull up a 3D plot and you can watch the deep UV end go noisy while 254 nm still looks fine. Use that before ordering. If the noise is flat across the whole spectrum rather than worst below 250 nm, the lamp is not what is wrong.

Type: Deuterium
Fits: Waters 996, 2996
Replaces: WAT052586
RFID chip: No

CA$1,062

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Detector lamps and light sources

Power supply for Waters 2489 HB lamp

Power supply for the Waters 2489 high brightness lamp, cross-referenced to 700002785. This is the part to consider when a new lamp has not fixed the fault. The high brightness lamp needs its supply to strike and hold it, and a failing supply gives you a lamp that will not light, or one that lights and then goes unstable, both of which look identical to a dead lamp from the front panel. If you have already fitted a new lamp and nothing changed, order this rather than a second lamp.

Type: Power supply
Fits: Waters 2489
Replaces: 700002785

Price on request

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Detector lamps and light sources

Deuterium lamp for Waters 484 detector

Deuterium lamp for the Waters 484, cross-referenced to WAT080357. The 484 is an old tunable absorbance detector and many are still running, which means the lamp is often not the oldest thing in the light path. Before ordering, check the flow cell windows: years of buffer leave a film that costs you as much signal as a tired lamp and cleans off for nothing. If a cell clean restores your baseline, keep the lamp. If it does not, this is the part.

Type: Deuterium
Fits: Waters 484
Replaces: WAT080357

Price on request

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