Find and order a radon floor drain seal from photos with Grok Bot

WorkedEvidence: Described by posterPosted Oct 26, 2026Last checked Nov 7, 2026

After a vague first answer, Grok Bot sized a radon drain seal from photos and helped order it for under $50 with shipping and tax.

Source checked Nov 7, 2026
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My basement radon fan is pulling outside air down an outdoor stairwell floor drain, which weakens suction under the slab. I need a part that lets water drain but blocks air. Here are photos with a tape measure. Ask me whatever you need about the pipe, find the right seal, compare three suppliers with prices, and show me the total before I pay.

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ChatGPT Gemini Grok Used in source Claude

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Before you start, ask me 1–3 short questions about the details below and wait for my answers. Once I've answered, confirm the plan in one line and run the whole task start to finish.

Goal: Find the exact replacement part for a home system problem and buy it safely.

Questions to ask me first:
- What's the problem, and why does it matter?
- Can you send photos with a tape measure in the shot?
- How do you want to pay, and what's your budget?

Inputs (fill in or confirm):
- Problem: [DESCRIPTION, E.G. RADON FAN PULLING AIR THROUGH A DRAIN]
- Photos and measurements: [UPLOADS]
- Budget: [AMOUNT]
- Shipping address: [I'LL ENTER IT]

Rules:
- Ask follow-up questions instead of guessing part numbers.
- Explain why the part suits this specific system.
- Compare at least three suppliers with links.
- Show the full total and let me approve every payment.

Checkpoint: Confirm the part and size with me before comparing suppliers.

If you get stuck: If a payment method fails, stop and let me choose another.

Verify before you finish: The part's specifications match the measured pipe size.

Output: The chosen part, a supplier comparison and a checkout summary.

Done when: The right part is ordered and I approved the payment.

AI tool

Grok Bot

Outcome

A basement radon fan was pulling outside air down an outdoor stairwell floor drain, weakening suction under the slab, and the owner, James, didn't know what part would fix it. Asked for 'a drain plug that lets water through but keeps air out', Grok Bot first suggested general waterless trap seals; once James explained the drain ran under the slab to the radon fan, it switched to a retrofit floor drain seal made for radon systems, with a weighted valve that opens for water and stays shut against the fan's suction. From photos with a tape measure in the shot, it asked about the pipe size, bowl width and straight drop, confirmed the seal would fit the 2-inch pipe, compared three suppliers and filled in the checkout with James, showing the full total before anything was charged. Apple Pay didn't work from its computer, so James switched to PayPal and approved the payment. The part cost about $30, under $50 with shipping and tax, and arrived within a week; James later had Grok Bot turn the exchange into a slide deck to train a facilities leadership team.

Evidence: Described by posterThe person describes what happened in words, without screenshots or video.

Source

Posted: Oct 26, 2026 by James (The Rundown community)
Last checked: Nov 7, 2026
Method:: How we verify

https://app.therundown.ai/community/posts/1745f247-e02f-4d15-b431-787397eb1717

Context: Posted to The Rundown community under a first name only (date from the post's UTC timestamp). The author approved the payment personally and advises checking the outdoor valve after hard freezes and leaf fall.