California Faucets Styledrain Hot Mop Adapter Kit User Manual

9177-HMA StyleDrain® Hot Mop Adapter California Faucets®

Sty

800.822.8855 californiafaucets.com

The Cast Iron Hot Mop Adapter allows common cast iron shower drains (e.g. FRANK PATTERN INSTANT-SET, EZ
TEST, OATEY-151, and others) to be adapted to StyleDrain

2). When the upgrade kit is installed, any one of California Faucets’ decorative StyleDrain

®

Drain Throat Upgrade Kit (9178-UG-2 and 9190-A-UG-

®

Trim Grids or Tile may
be installed. Cast iron drains are commonly used in shower construction in the state of California because of hot
tar waterproofing. PVC and ABS plastic drains cannot withstand the high temperature (+500°F) of hot tar. The
“Hot Mop” method of shower waterproofing has been used in California for many years due to the ease of
installation, reliability, and economic value.

waterproofing systems are specified as well.

NOTE: The Hot Mop Adapter may be used with liquid applied or sheet membrane

leDrain Hot Mop Adapter: 9177-HMA

Common Cast Iron Drain Types

These are common cast iron drains with similar configurations. The only substantial difference is that the EZ-TEST
has a built in plug that allows for immediate water test. The INSTA-SET and OATEY require a separate plug for water
testing.

Frank Pattern Instant-Set EZ Test Oatey-151

INSTALLED BODY PREPARATION

• Remove the BOLTS (1) holding the

COLLAR (2) to the BODY (3

). Set

these aside for later usage with HOT
MOP ADAPTER

• Discard the cast iron COLLAR (2)

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ADAPTER INSTALLATION

• Apply hot tar over top of cast iron

BODY (3) & surrounding sloped floor

• Place HOT MOP ADAPTER (4) onto

hot tar

• Use saved BOLTS (1) from step I and

attach HOT MOP ADAPTER (4) to
BODY (3)

• While tightening BOLTS (1) check level

on ADAPTER (4) with level

• Perform all necessary hot mop or

waterproofing practices per
waterproofing methods, manufacturer
requirements and/or local/city plumbing
codes

• Perform water test NOTE: Weep holes

shall be open and allow water to pass freely

THROAT INSTALLATION

• Place a few small pieces GRAVEL (5)

over the WEEP HOLES (6) as shown

®

• Install StyleDrain

Upgrade THROAT

(7) into the Hot Mop ADAPTER (4)

• Perform all necessary floor covering

(e.g. tile, stone, etc…) installation
methods and adjust height of THROAT
(7) as necessary for finished floor
surface

SPECIAL NOTE:

For EZ-TEST and other possible drain
configurations, it may be necessary to
cut off some of the lower threaded
section of the StyleDrain

®

Upgrade
THROAT (7), as shown, to prevent the
throat threads from “bottoming out”
onto the drain body’s inner top surface.

IMPORTANT: Prior to cutting, “stack up”
height (thickness) of all flooring materials must be
determined to allow for flush height of THROAT
to top surface with flooring.

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