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Whatsminer 140 mm Fan to 160 mm Metric Duct Shroud — product image pending. Photography for this item has not been taken yet, and D-Central does not show a photograph of a different product in its place.

Whatsminer 140 mm Fan to 160 mm Metric Duct Shroud

$30.99 CAD

Adapts the single 140 mm exhaust fan of an air-cooled Whatsminer M-series to 160 mm European metric flex duct. Single-piece PETG, made to order in Montreal, Quebec.

  • Availability: Backorder available
  • Returns: 30 days from delivery to report a defect or dead-on-arrival unit. No change-of-mind returns.
  • Warranty: As stated on this listing at purchase: manufacturer's warranty on new hardware, D-Central's own warranty on refurbished.
  • Support: Ships from Canada with D-Central mining hardware and repair support

Shipping, returns, and warranty details

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Condition
New
Warranty
Support and warranty coverage apply where listed for this product.
Returns
Return requests follow the posted policy and require approval before shipping back.
Stock
Available on backorder.
Lead time
Pre-order: 5-10 business days before shipping.
Ships from
Montreal, Quebec after preparation.
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Whatsminer specs, repair, and parts

Use the Whatsminer cluster to connect MicroBT specs, M30/M50/M60 troubleshooting, shrouds, repair workflow, and hosting decisions.

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Description

Overview

Air-cooled Whatsminer M-series machines exhaust through a single 140 mm fan, and this shroud takes that fan straight into 160 mm metric flex duct — a common European size that no inch collar lands on.

The fan side uses the Whatsminer-specific 135.0 mm bore, a value taken from exact CAD of the Whatsminer fan rather than the generic 140 mm figure. Single-piece PETG, flex-over collar: the duct slips over and clamps on the 158.0 mm sealing land.

What it fits

Air-cooled Whatsminer M-series miners with a single 140 mm exhaust fan, exhausting into 160 mm metric flex duct.

Measure before you order. Fit dimensions in this line are derived from published fan and chassis geometry and are not yet validated against measured production hardware. Check your flange size and clearances against the footprint below. If something does not fit, tell us — that is how the next revision gets better.

One more honest number: the collar’s sealing land sits at duct nominal minus 2.0 mm, while measured male metric hardware runs nominal minus 1 to minus 2 mm. Our land sits at or under that hardware and never over — which is a retention argument, not an exact-match claim. The metric ring coupon measurement that would settle it is still open.

How it is used

Mount the shroud over the single 140 mm exhaust fan using the fan screw pattern. The flange holes are 5.0 mm (with 5.424 mm slots); put a 9 mm or larger flat washer under each screw head, or reuse the miner’s own large-head fan screws. Then slip 160 mm metric flex duct over the collar, clamp it on the sealing land behind the crest, and route the duct to a window port, a plenum, or the space you want to heat.

Why it helps

  • Whatsminer-specific fan geometry: 135.0 mm bore from exact CAD, not a generic figure.
  • Metric-native: cut for 160 mm duct, a size no inch collar reaches.
  • Flex-over collar cut for metric duct: crest at duct nominal, sealing land 2.0 mm under it, so the duct slips over and a clamp lands on the land — no tape, no forced inch fit.
  • Every fan screw stays reachable: minimum measured tool radius 8.03 mm on this part, against a project target of 8.0 mm — all screws rate GOOD.

Specifications

Fits Air-cooled Whatsminer M-series with a single 140 mm exhaust fan
Intake Single 140 mm fan; 135.0 mm bore (Whatsminer-specific value from exact CAD), 3.0 mm-class sealing land
Duct size 160 mm metric flex duct — flex-over collar, crest 160.0 mm, sealing land 158.0 mm
Footprint (mm) 160.0 × 160.0 × 125.0
Material PETG, single-piece print
Fulfilment Made to order in Montreal, Quebec

Open source

This design is open source under CC BY-SA 4.0. The files are free at /3d-models/, and anyone may print, modify or sell them. Buying the finished part supports the work that produces these designs — you can also support it directly via the fund.

Works with

See the full D-Central shroud and ducting system.

Frequently asked questions

Which Whatsminers does this fit?

Air-cooled M-series machines with a single 140 mm exhaust fan. Fan flange details vary across the M-series — verify your fan and screw pattern against the footprint before ordering.

Why a metric collar instead of a 6-inch one?

Because inch fittings do not fit metric duct — a 6-inch collar is 152.4 mm, not 150 mm, and the mismatch only gets worse at larger sizes. This collar is cut for metric flex duct from the start: crest at duct nominal, sealing land 2.0 mm under it, so the duct slips over the collar and clamps on the land.

Is the fit guaranteed?

No. None of the interface dimensions in this line have been caliper-verified against production hardware yet. The geometry comes from published fan and chassis data — measure your machine and your duct before ordering, and tell us if anything is off.

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