PadMatch

PadMatch / Every humidifier water panel and furnace filter size

Part numberTrane BAYPAD01A1010A
ok
Humidifier models
Trane THUMD200 / HUMD200
Correct pad
Trane BAYPAD01A1010A
Pad dimensions
10 in W x 9.5 in H x 1.5 in D
Replacement interval
once per heating season

The correct replacement pad for the Trane THUMD200 / HUMD200, and the sizes that look right but are not.

The Trane THUMD200 / HUMD200 takes the Trane BAYPAD01A1010A pad. Buy that part; a different-size pad lets water bypass into the plenum.
Fits these humidifier models
Fitment notes

The smaller Trane THUMD200 bypass humidifier takes the short BAYPAD01A1010A panel, roughly 10 by 9.5 inches, in the same group as the Aprilaire 10.

The small Trane panel for the THUMD200 bypass unit. At roughly 10 by 9.5 inches it sits in the same cross-reference group as the Aprilaire 10, not the taller 10 by 13 panel.

The pad to buy
Search Amazon for Trane BAYPAD01A1010A humidifier water panelaffiliate searchFind Trane BAYPAD01A1010A humidifier water panel on eBayaffiliate

Find your model

Read the number stamped on the humidifier cabinet or printed on the old pad, then match it below. Confirm the frame size before buying a generic.

Trane THUMD200HUMD200
Related

Sources: Trane BAYPAD01A1010A small humidifier water panel (SupplyHouse) ยท Trane fan-powered and bypass humidifier product data (Trane library)