Owners Manual / Installation Guide
Installation Instructions
Installation and Operational Manual
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Boutique Collection
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Solid Stone® Tubs
7 / mtibaths.com
Installation Instructions – Airbath
1. Place the tub in the exact position of final installation. The bathtub cannot be repositioned once it is plumbed
and installed. The tub is designed to sit on top of the finished floor.
2. Ensure location is structurally sound, flat and level.
3. Elevate the tub to allow access to the bottom of the tub and pedestal from the drain to the overflow area.
The tub is very heavy; use appropriate supports. The pedestal base is shipped separately on most models.
Use clear silicone to attach the base to the tub.
4. The horizontal pipe from the drain exits the pedestal through the provided hole. Temporarily 'dry fit' the drain
kit and trim the pipes to proper length if necessary. Note the distance from the outside edge of the pedestal
to the center of the overflow pipe. This measurement will be used to determine the location of the hole in
the floor for the connection to the p-trap.
5. Remove the drain kit from the tub.
6. Install tub in precise location desired. Use clear silicone to adhere tub to floor. The drain shoe must be
placed under the tub with the pipe exiting through the opening in the pedestal.
7. Using the distance noted in step #4, drill 2 ⁄" diameter hole in floor for overflow pipe.
Note: This hole may need to be enlarged to facilitate tightening the slip joint.
8. Re-assemble drain kit on tub using clear silicone under drain strainer. Remove excess silicone immediately.
Tighten waste flange assembly and ferrule until seated plus ⁄ turn.
9. Connect the 'P-trap' to the drain kit.
10. Tighten all slip joint connections, thread stopper assembly into waste flange and attach overflow cover.
11. Fill tub to overflow and allow water to stand for 30 minutes. Check carefully for any leaks.
Note: Access from below tub is recommended for installation. If there is no access from below, the installation
may be more dicult and clearance will be necessary to connect the T-piece assembly to the p-trap from above.
The drain instructions on this page do NOT apply to tubs with an integrated overflow and pedestal.
MTI RECOMMENDS USING CLEAR 100% SILICONE SEALANT. DO NOT USE PLUMBER’S PUTTY.
PLEASE READ ALL INSTRUCTIONS BEFORE INSTALLING. THE AIR SYSTEM HAS SEVERAL
REQUIREMENTS THAT MUST BE CONSIDERED EARLY IN THE INSTALLATION PROCESS. VISUALLY
INSPECT THE AIR JETS ON THE UNDERSIDE OF THE TUB FOR ANY CRACKS OR DAMAGE THAT
MAY HAVE OCCURED DURING SHIPPING AND HANDLING.
DRAIN KIT PARTS BREAKOUT:INSTALLATION PHOTOS:
Drain kit shown installed through ESS
soaker pedestal.
Note: MTI does not warrant leaks associated with improper drain installation and will not be responsible for any
costs involved with removing or reinstalling the tub. Failure to properly check floor for level will result in improper
draining of the bath. If you need assistance, please call the MTI Service Department at 800-783-8827.
Note: The overflow is a plumbing device designed to prevent water from reaching a certain level in your tub.
DO NOT, under any circumstances, tape o or block the overflow in any way.
Cover
Ferrule
Clamp Plate
Compression Nut*
Compression Ring*
Compression Gasket*
*Note: Compression
parts are repeated
Tailpiece
Bell Flange
Hex Bolt Stem
T-piece assembly
Overflow Assembly
Drain Stopper
Assembly
Waste Flange
Assembly
Drain Shoe