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TTW (Through The Wall) Sleeve
TTW (Through The Wall) Sleeve
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OLMO TTW — Through-the-Wall Sleeve (Sleeve Only)
Universal 42″ × 16″-class folded metal wall sleeve for TTW units. Ships flat for fast one-person assembly. Grounding and grille-ready design.
Why installers choose this sleeve
- Universal 42×16 fit: sized for standard TTW openings; designed for OLMO units and compatible with most brands in the class. :contentReference[oaicite:0]{index=0}
- Fast assembly: folded metal ships flat for easy transport and one-person install. :contentReference[oaicite:1]{index=1}
- Grounding-ready: factory 1/8″ grounding holes at front underside; alt. left-side drill location if needed. :contentReference[oaicite:2]{index=2}
- Service-friendly: accepts rear aluminum grille per manual for best performance. :contentReference[oaicite:3]{index=3}
Through-the-Wall Sleeve
One-person; sleeve ships flat
42″ × 16″ TTW opening
1/8″ holes provided; optional left-side drill
What’s included
- Folded metal wall sleeve (unassembled)
Unit and exterior grille sold separately. Use aluminum rear grille per manual for best performance. :contentReference[oaicite:4]{index=4}
Tech specs
| Model | Fit Class | Actual Size | Construction | Grounding | Rear Grille | Install Notes |
|---|---|---|---|---|---|---|
| OLMO TTW Sleeve | 42″ × 16″ TTW opening | Approx. 41 ⅞″ × 16 ⅜″ × 15 ¼″ (sleeve depth as specified) | Folded metal, assembles on site | Two 1/8″ holes at front underside; optional 1/8″ left-side hole ≤3″ from front edge | Use aluminum rear grille; install before sliding unit for optimal performance | Secure sleeve in wall; maintain 3–4° rearward slope for drainage |
Grounding holes, optional drill location, and slope requirement are shown in the manual illustrations (pp. 15–16). :contentReference[oaicite:5]{index=5}
Install highlights
- Secure the sleeve in a sound wall and fasten before inserting the AC.
- Set rearward slope of ~3–4° for drainage.
- Grounding: use supplied 1/8″ holes; if absent, drill 1/8″ on the left side ≤3″ from front edge and attach ground with toothed washer.
- Rear grille: install aluminum grille to sleeve before inserting unit; mark holes and drill 1/8″ if required, then fasten with screws and washers.
Full description
Tap to expand
The OLMO TTW Sleeve is a universal 42×16 folded metal wall sleeve for through-the-wall AC installations. It ships flat for quick one-person assembly, provides dedicated grounding points, and is designed to accept the recommended aluminum rear grille for best airflow and performance. Follow the manual for fastening, rearward slope, grounding, and grille steps.
FAQs
Is this the AC unit or just the sleeve?
Do I need to install a rear grille?
How do I ground the sleeve?
What slope is required?
