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What filter does a Trane THUMD200 take?
It takes the Trane BAYPAD02A1310A Humidifier Pad — OEM part number BAYPAD02A1310A.
Trane THUMD200, whole-house humidifier, whole house.
Lowest verified price: $36.99 — 1 panel, genuine Trane BAYPAD02A1310A (price captured from SupplyHouse's listing 2026-11-11) at SupplyHouse. Free shipping on orders over $99 at SupplyHouse; a fee applies below that. Checked 2026-11-11.
Buy the BAYPAD02A1310A on Amazon — BAYPAD02A1310AAmazon search for the exact part number (no single listing is endorsed). Amazon price is shown on Amazon; we do not quote it here.
The part, in brief
| Part | Trane BAYPAD02A1310A Humidifier Pad |
|---|---|
| Replacement interval | Replace annually. |
| Equivalents | AprilAire 35 |
Verified prices
| Option | Price | Store & shipping |
|---|---|---|
| Genuine (OEM) 1 panel, genuine Trane BAYPAD02A1310A (price captured from SupplyHouse's listing 2026-11-11) | $36.99 | SupplyHouse Free shipping on orders over $99 at SupplyHouse; a fee applies below that · Checked 2026-11-11 · source |
No Trane-specific aftermarket price was captured; the AprilAire #35 record carries aftermarket prices for this pad size.
Full record with every price, source and date: Trane BAYPAD02A1310A Humidifier Pad page.