Dometic Replacement Tank 911-28C Installation guide

Brand: Dometic

Model: Replacement Tank 911-28C

Type: Installation guide

MANUFACTURER’S ONE-YEAR LIMITED WARRANTY

Dometic warrants, to the original purchaser only, that this product, if used for personal, family or household purposes, is free from defects

in material and workmanship for a period of one year from the date of purchase.

If this Dometic product is placed in commercial or business use, it will be warranted, to the original purchaser only, to be free of defects

in material and workmanship for a period of ninety (90) days from the date of purchase.

Dometic reserves the right to replace or repair any part of this product that proves, upon inspection by Dometic, to be defective in

material or workmanship. All labor and transportation costs or charges incidental to warranty service are to be borne by the purchaser-user.

EXCLUSIONS

IN NO EVENT SHALL DOMETIC BE LIABLE FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES, FOR DAMAGES

RESULTING FROM IMPROPER INSTALLATION, OR FOR DAMAGES CAUSED BY NEGLECT, ABUSE, ALTERATION OR USE OF

UNAUTHORIZED COMPONENTS. ALL IMPLIED WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY OR

FITNESS FOR ANY PARTICULAR PURPOSE, ARE LIMITED TO A PERIOD OF ONE YEAR FROM DATE OF PURCHASE.

IMPLIED WARRANTIES

No person is authorized to change, add to, or create any warranty or obligation other than that set forth herein.

Implied warranties, including those of merchantability and tness for a particular purpose, are limited to one (1) year from the date of

purchase for products used for personal, family or household purposes, and ninety (90) days from the date of purchase for products

placed in commercial or business use.

OTHER RIGHTS

Some states do not allow limitations on the duration of an implied warranty and some states do not allow exclusions or limitations

regarding incidental or consequential damages; so, the above limitations may not apply to you. This warranty gives you specic legal

rights, and you may have other rights which may vary from state to state.

To obtain warranty service, rst contact your local dealer from whom you purchased this product.

911-28C Replacement Tank

Replacement Tank

Instruction manual

Caution!

This manual must be read and understood before installation, adjustment,

service or maintenance is performed. Modication of this product can result

in property damage.

Silicon Adhesive

3" [76mm]

No hub connector

3" [76mm]

Pipe coupling

(solvent bonded)

INSTALLATION INSTRUCTIONS

To remove toilet:

1. Emptyexistingtankandushwithclean,soapywater.

2. Turnoffwatersupplytotoilet.

3. Disconnectwaterlinefromwatervalveatlowerleftsideoftoiletbase.

4. Removethe(4)nutsandatwashersaroundthetoiletbaseanddiscard.

5. Carefully lift toilet from tank and set aside.

To remove old tank:

1. Disconnect3”[76mm]dischargelinefromundersideoftank.Ifthereisnodisconnectpossible,thencut

pipeasshowninFigure1.

2. Disconnectthe1-1/2”[38mm]pipe.Ifthereisnotadisconnectintheventline,cuttheventpipeatany

pointlessthan12”[305mm]abovethetank.(SeeFig.2)

3. Removetheholddownclipsaroundthebottomskirtofthetank.

4. Remove tank and discard.

To install the new tank:

 Itmaybenecessarytoinstallpartofthedischargepipetotheoutletonthebottomofthenewtankbefore

mountingthetanktotheoor.UsesiliconeadhesiveinsteadofpipesealantorTeontapetosealthethreads.

Applysiliconadhesivetoboththepipethreadsandthetankthreads.Allowtheadhesive“toskin”over

(about10minutes).Thenscrewthepipeintothetankoutlet.(SeeFig.4.)

NOTE: The replacement tank must be mounted approximately 3/4” from the wall. (See Fig. 3)

1. Toinsureproperalignment,connectthetankoutlettothedischargepipebeforesecuringthetanktotheoor.

ApplysiliconadhesiveinsteadofpipesealantorTeontapetothethreadsofthetankoutletandadjoining

threadedpipe.Allowtheadhesive“toskin”over(approximately10minutes).Thenscrewthepipeintothe

tankoutlet.Seegure4.

2. Conrmthatthetankislayingatontheoor,notheldofftheoorbythedischargepipe.Securethetank

totheoorwiththe(4)#14x2”panheadscrews.

To install the vent pipe:

1. Screwthe1-1/2”hubx1-1/2”MPTintothethreadedventholeontopofthetank.Usepipethreadsealant

orTeontape.

2. Cut,tandaligntheremainingcomponentsasshownin”VentInstallationDiagram”sectiontomakethe

connectiontoyourexistingventpipeandsolventbondallthettingsandpipeusingPVCsolventcement.

3. Slidethecouplingdownandoverthegapbetweentheventpipesectionsandtightenbothclamps.

Fig.1 Fig.2 Fig.3

Fig.4 Fig.5

Silicon Adhesive

Cut 2" [51mm]

belowtankoutlet

To remount toilet to new tank:

1. Installthe(4)1/4-20x1-3/4”studsininsertsonthetanktop.(SeeFig.6)

2. Placeoorangesealonstudsaligningthestudswithbumpsonseal.Note:“THISSIDEUP”shouldface

upwards.(SeeFig.7)

3. Placetoiletonstudsandsecurewith(4)washersand(4)nuts.(SeeFig.8)

4. Reattachwaterlinetotoilet.

VENT INSTALLATION DIAGRAM

DIMENSIONAL SPECIFICATIONS

Fig.6 Fig.7 Fig.8

1-1/2"Nohubcoupling,clampsandseals

existingventpipetomodiedtankventpipe

1-1/2" x 450 or 900hubxhubelbow

1-1/2" x 450 or

900hubxslipelbow

solvent bonded into

adapter

28C tank

Existing 1-1/2" ABS vent

pipe to roof vent

1-1/2"PVCpipe(cutnoshorterthan

2-1/4" [57mm] and solvent bonded into

the 450 or 900hubxhubelbow)

1-1/2"PVCpipecuttotandsolvent

bondedintothehubxslipelbow

1-1/2"hubx1-1/2"MPTadapter

threaded into replacement tank

PARTS LIST

Item Part No. Description Item Part No. Description

1 * Connector,1-1/2"nohub 7 * Elbow,1-1/2",45°street

2 * Pipe,1-1/2",sch.40PVC 8 385310534 Mountinghardware

3 * Elbow,1-1/2",90°hubxhub 9 385310063 Seal kit

4 * Elbow,1-1/2",45°hubxhub 10 * Connector,3"nohub

5 * Adapter,1-1/2",hubxMPT 11 385310084 28C holding tank (incl. items 1-10)

6 * Elbow,1-1/2",90°street * common parts available at plumbing retailers

45° ELBOW

CONFIGURATION

90° ELBOW

CONFIGURATION

600342853 01/17

DOMETIC CORPORATION

SANITATION DIVISION

13128 SR 226 | PO BOX 38

BIG PRAIRIE, OHIO 44611 USA

www.Dometic.com

Dometic Replacement Tank 911-28C Installation guide

Dometic Replacement Tank 911-28C Installation guide

Dometic Replacement Tank 911-28C Installation guide

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