Owner's Manual for MTI Metro 3 with Sculpted Finish Bathtub
Comprehensive guide for the MTI Metro 3 with Sculpted Finish bathtub. Includes installation requirements, electrical specifications, hydrotherapy package details, and ordering information for accessories and drains.
Quick answers from the manual
Quick answer
- The MTI Metro 3 (Model 175A) is a freestanding or alcove bathtub. It requires specific ordering for sculpted finish sides, drain kits, and hydrotherapy packages. Electrical requirements vary by package (15-20 amp). p. 1
Key actions
- Plan for remote mounting of the air blower. p. 1
- Specify flange locations when ordering factory-installed flanges. p. 3
Technical specifications
| Parameter | Value | Meaning | Pages |
|---|---|---|---|
| Dimensions | 66" x 42" x 24" | Overall tub size. | p. 1 |
| Capacity | 80 gal | Capacity to overflow. | p. 1 |
Where to find it in the PDF
- Specifications and Dimensions p. 1
- Hydrotherapy Packages p. 2
- Options and Accessories p. 3
Table of contents
Manual images
Click an image to enlargeQuick guide from the manual
The MTI Metro 3 (Model 175A) is a luxury bathtub available in freestanding or alcove configurations. Key requirements for installation include planning for future access to equipment, remote mounting of air blowers, and specifying flange locations at the time of order. Please note that the drain kit is not included with the tub and must be purchased separately.
Product Overview
The Metro 3 features a 66" x 42" x 24" footprint with an 80-gallon capacity to overflow. It includes a flat 11" deck surface on the drain side designed for mounting faucetry. The tub is available in Acrylic CXL or DoloMatte finishes.

Installation Requirements
- Future Access: Always consider future access to equipment before ordering or installing.
- Drain: The drain kit is not included with this model.
- Air Blower: When ordering an air bath, the air blower must be remote mounted.
- Sculpted Finish: Unless ordering on 4 sides, you must include a diagram specifying which sides require the sculpted finish and the location of optional tile flanges.
- Microbubbles: Components must be installed on a non-Sculpted Finish side and will extend beyond the perimeter of the tub.
Electrical Specifications
Electrical requirements depend on the selected hydrotherapy package. Ensure your electrical system supports the following:

- Microbubbles: 1-15 amp
- Air Massage: 1-15 amp
- Microbubbles with Air: 1-20 amp
- Air Massage Elite: 1-15 amp
- Microbubbles with Air Elite: 2-15 amp
Accessories and Options
Various options must be ordered at the time of purchase, including:
- Tile Flange: Factory-installed rigid ABS (1, 2, or 3 sides) or field install kit.
- Drains: Cable driven, lift & turn, or toe tap options available in various finishes (PVC or solid brass).
- Sensory Therapies: Options include Chromatherapy (underwater lighting), Audiotherapy (transducers with Bluetooth), and Thermaltherapy (Radiance heated zones).
Practical help
Common problems
This model is not recommended for use as a tub/shower combination.
The air blower must be remote mounted; it cannot be installed directly on the tub.
The drain kit is not included with the tub and must be ordered separately.
Before use
- Check all packaging for accessories before discarding.
- Verify electrical requirements for your specific hydrotherapy package.
- Plan for future access to equipment.
- Specify flange locations if ordering factory-installed flanges.
- Confirm if the installation requires a non-Sculpted Finish side for Microbubbles components.
Images and diagrams
- The dimension diagram illustrates the 66" length and 42" width, highlighting the 11" deck surface on the drain side for faucet installation.
Model compatibility
- DoloMatte finish meets ANSI A137.1/A326.3 and AS HB198 slip tests.
- Not recommended as a tub/shower combination.
Manual page author
Michael Turner
Technical manual editor
Reviews PDF manuals for structure, safety notes, and practical product details so readers can find the right information quickly.