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Documented model profile

Santa Fe Ultra70

The Ultra70 adds a ducted whole-home use case to a low cabinet. It is deeper than the Compact70, so a height-only shortlist can miss an important installation constraint.

Model 4044100 · Part 4044100; current product page
Checked Oct 11, 2026 · current

santa fe4044100Product photo pending

Check the essentials.

Extraction rating & conditions
70 pints/day80°F / 60% RH
52.45 pints/day73°F / 60% RH
Drain arrangement
gravityManufacturer manual describes gravity drainage with a required trap; an external pump is optional for a raised destination. Check the full instructions.
Cabinet height
12 in.
Cabinet width
12 in.
Cabinet depth
28 in.28 inches including duct collars; the current specification drawing lists a 22-inch body without collars.
Minimum inlet-air temperature
49°F
Power at published conditions
492 WManufacturer input power at 73°F / 60% RH. Do not compare watts without matching conditions and output.
Noise measurement
Not verifiedComparable independent noise measurements have not been verified.
Duct connection
YesDuct configuration and required accessories must follow the installation manual.

Cabinet dimensions do not include airflow or service clearance. Follow the exact model manual. Check the source documents ↓

Where it may fit

  • A crawl space installation with a verified drainage and airflow plan.
  • A basement installation with a verified drainage and airflow plan.
  • A whole home installation with a verified drainage and airflow plan.

Before you buy

  • Use inlet-air limits when assessing low-temperature operation.
  • Measure depth and service access as well as height.

The tradeoffs

  • The 34°F cabinet-ambient allowance is not the inlet-air minimum.
  • Duct design needs a separate installation check.

Reviews & installation evidence

installation

Santa Fe / Therma-Stor

The manual makes duct arrangement a buying decision rather than an afterthought. Its preferred layout uses a dedicated central return and feeds dry air into the HVAC supply through a backdraft damper. Alternative layouts can require blower coordination; return-to-return is described as a last-resort choice because it can reduce the air conditioner's moisture removal. Separate duct distribution is addressed for homes using mini-splits. The drainage section calls for a trap, with an optional pump when water must be lifted. Buyers should budget for the required control, damper, drain protection and airflow work, then have an installer check the proposed layout against the full manual.

Conditions: Part 4044100; installation requirements for the documented Ultra70 generation.

Limitations: Manufacturer guidance, not field measurements. This digest is a planning aid; full instructions and site-specific commissioning remain necessary.

Read the original ↗

Follow the evidence

Sources & further reading

Open the original material for the full context. A product specification is not an independent test.

  1. manufacturer manualSanta Fe Ultra70 4044100 Installation Instructions TS-2082 Rev C

    Santa Fe / AprilAire official DAM · Checked Oct 11, 2026

    Version: TS-2082 Rev C, 04/26PDF p4 registration; p5 layout; p8 drain; p9-13 ducting

    Numeric clearances are from p5 diagram; p3 general safety says minimum 1-ft return/supply clearance. Do not use lower diagram value as universal installation guarantee. Ducting recommendations differ from AprilAire; do not reuse one brand schematic for every model.

  2. manufacturer specSanta Fe Ultra70 4044100 Specification Sheet TS-2111 Rev B

    Santa Fe · Checked Oct 11, 2026

    Version: TS-2111 Rev B, 01/26PDF p1 table, drawing and footnote

    Table footnote dimensions include collars; 22-inch body and 28-inch collared depth should be labelled separately. Ratings are manufacturer measurements, not our tests.