“Stuart 25/80” is a useful start when asking about a replacement circulator. Add the full label and a record of the two fitted joints so the person checking the enquiry can distinguish the pump body from the surrounding pipework. An order reference, a nameplate number and a measurement can each answer a different question.
Take one clear label photo and one wider view
Capture the whole externally visible nameplate in focus. Transcribe the manufacturer, complete model text, any part number and any serial or revision field exactly as printed. Leave a field blank if it is unreadable. Keep the original photograph with the transcription so that a missing suffix or a similar-looking digit can be checked. If you have an old order acknowledgement or box label, attach it separately and say where the reference came from.
Take a wider photo of the installed pump with both connections in view. If a panel, valve or nearby pipe makes access tight, show it in the same image. Keep the photos to what is externally accessible. A clear wide view and two joint close-ups are useful even when a measurement needs to wait for the installer.
Mark the start and finish of your measurement
Stuart Turner gives the ST 25/80 (180), part 47075, a nominal 180 mm fitting length and lists Rp 1½ pump connections. Use the drawing for the exact candidate to confirm the datum the manufacturer means. For the installed pump, note precisely where any accessible measurement starts and ends. A marked photo lets the person checking distinguish a body measurement from one that includes existing union nuts, tails or adaptors.
Photograph each connection and record any separate adaptor or valve you can identify. Note which items are intended to remain in place. When the mating faces are hidden, mark the seating-to-seating dimension as unconfirmed and give the observable dimension with its endpoints. That makes it possible to ask one specific follow-up rather than ordering from a rough overall width.
Send a short enquiry with the exact candidate
- Existing pump: full label transcription and photo.
- Existing joints: two close-ups, notes on visible tails or adaptors, and which fittings the job intends to retain.
- Measurement: value, units and both marked endpoints, with nearby clearance shown.
- Candidate: Stuart Turner ST 25/80 (180), order reference 47075. Ask the installer to confirm the connections and the required duty against the exact pump information.
Keep an enquiry about the complete circulator separate from a request for union parts or seals. If the installer expects existing parts to be retained, ask them to identify those parts and confirm the mating arrangement. If the quote needs additional parts, request those as named line items with confirmed contents.
Buy now: Stuart ST 25/80 (180) circulator, part 47075
What a completed enquiry should answer
Ask for written confirmation of the exact replacement reference, the fitting length and connection arrangement the installer has checked, and the scope of the sale unit. If a measurement or label field is missing, make that the next question. The product page is a candidate reference to share with the installer before ordering.
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