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Parts ListPleasebeginbycheckingtoseethatallparts/accessorieswerein-cludedinyourEasyFitpackage:

• 1–TecmaEasyFittoilet(high/low,white/bone,12V/24V)

• 1–Wallswitchandcontroller

• 1–Blackwallswitchbezel

• 1–Bonewallswitchbezel

• 2–1/410x2.5”stainlesssteellagscrews

• 2–1/4”stainlesssteelwashers

• 2–Plasticmountingholeinserts

• 2–Boltcaps

• 2–Hoseclamps–19/16”-21/2”,stainless

• 1–Hoseclamps(watersupply)

• WaterSupplyParts(determinedwhentoiletisordered),either: –12Vor24VPumpKit(3.0L/Min);Rubberisolators,Screws,

Diagramor –12Vor24VSolenoidValve(connectedtocontroller);Diagram,Bag

• 1–FullTanksensor

• 1–LowerDischargeCheckValve

• 1–Chemicalandliteraturekit

• 1–InstallationGuide

• 1–Owner’sManual

• 1–ToiletInstallationTemplate

• 1–WallSwitchTemplate

• 1–WaterPumpWiringConnectionKit

Required Tools, Supplies & MaterialsNeededtocompletetoiletinstallation:

Plumbing Components• In-lineStrainer• 3/4”-diameterminimumVentedLoop–ifrequired• 1-1/2”-diameterminimumVentedLoop–ifrequired• 3/4”-diameterMarineWaterSupplyHose• 1-1/2”-diameterMarineDischargeHose• 1-1/2”straightcoupling(asneeded)• 1-1/2”90°coupling(asneeded)

Electrical Components• Wiringtotoiletsystempower• WiringtoFullTankSensor• WiringtoOptionalTankMid-LevelSensor• Wiringfromelectroniccontrollertowaterpump(rawwaterin-

stallations)• WiringHarnessConnectors(seepage2andwiringinformation

diagrams)

Supplies• Siliconecaulk(whiteorclear)

Tools• 1-1/4”holesaw• 3-1/2”holesaworsabersaw• 7/16”socketandratchetor7/16”wrench• ElectricDrill• 1/8”drillbit

Questions?Ifyouhaveanyquestionsorneedassistance,pleasecontactTecmaServiceat1-800-543-1219.

Installation Guide For Raw Water Pump or Fresh Water Solenoid installations

Orig.10.12.06FormNo.38576

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THE WARNINGS BELOW MUST BE READ AND UNDER-STOOD BEFORE INSTALLATION, OPERATION, OR SERVICE OF UNIT BEGINS. ANY MODIFICATION OF THIS UNIT COULD RESULT IN PROPERTY DAMAGE, INJURY OR DEATH.

THETFORD CORPORATION ACCEPTS NO RESPONSI-BILITY OR LIABILITY FOR DAMAGE TO EQUIPMENT, INJURY OR DEATH THAT MAY RESULT FROM PROD-UCT’S IMPROPER INSTALLATION, SERVICE OR OP-ERATION.

THETFORD CORPORATION RECOMMENDS THAT ONLY A TRAINED AND QUALIFIED MARINE TECHNICIAN OR ELECTRICIAN INSTALL OR SERVICE THIS PRODUCT.

Danger of Electric Shock, Fire and FloodingFailure to heed these warnings can result in loss of property, injury and death.• Always use ABYC-RECOMMENDED CIRCUIT BREAKER/

FUSE AND WIRE GAUGE.• Always be sure unit’s ELECTRICAL POWER is TURNED

OFFandthatSEACOCKSareCLOSEDorinthe“OFF”po-sitionbeforebeginningwork.

• If Toilet is connected to any through-hull fittings, ALWAYS CLOSE or TURN OFF ALL SEACOCKSwhenBOAT IS UN-ATTENDED–evenifonlyforaminimaltime.

• Forunitsusing freshwater thatare (atany time)connectedtoshoresidemunicipalwatersupplysystems,SHORESIDE SYSTEM must be DISCONNECTED IF BOAT IS LEFT UNATTENDED–evenifonlyforaminimaltime.

• Ifunitisconnectedtoanythrough-hullfittings,ALLflexibletubingconnecteddirectlyorindirectlybetweentoiletandANYthrough-hull fitting must be of marine quality and must beconnectedtoeachfittingwithTWO (2) STAINLESS STEEL WORM DRIVE HOSE CLAMPS. TheseHOSE CLAMPSmustbeINSPECTED FREQUENTLY TO ENSURE TIGHT-NESS,therebypreventingleaks.

• Ifunitisconnectedtoanythrough-hullfittings,PROPERLY INSTALLED SEACOCKS MUST BE INSTALLEDtotheselines.Allseacocks(orsecondaryvalvesfittedinconnecting,intermediate tubing)MUST BE FULL-BORE VALVES andREADILY ACCESSIBLE to all toiletusers.Use lever-actu-ated, full-bore, marine quality seacocks and valves. Screw-downgatevalvesarenotrecommended.

• IF WATER DOES NOT FLOW INTO TOILET DURING THE FIRST TWO OR THREE FLUSH CYCLES,ithasbeenimproperlyinstalledorhasmalfunctioned.Discontinueuseoftoiletuntilinstallationhasbeencorrectedorrepairsaremade.Pleasereviewthismanual’sInstallationsectionorrefertotheTroubleshootingsection.

• Use ONLY STAINLESS STEEL mounting hardware. DO NOT INSTALL WITHOUT PLASTIC MOUNTING HOLE INSERTS IN PLACE.Failure toproperlymount toiletmayresultintoiletbecominglooseordamaged.

• Onlyhumanwasteandtoiletpapershouldbeputintothetoi-let.NeverflushFOREIGN MATERIALS(e.g.papertowels,pre-moistenedwipes, condoms, femininehygieneproducts,dentalfloss,householdgarbage,etc.).

WARNING!

Wiring Harness Connectors Required But Not IncludedSensor Wiring Harness (Full Tank Sensor Only) Manufacturer Connector Item Description Quantity

C Deutsch SocketContact 0462-201-20141 2 Plug DTM06-2S 1 WedgeLock WM-2S 1D Deutsch Pins 0460-202-20141 2 Receptacle DTM04-2P 1 WedgeLock WM-2P 1

Sensor Wiring Harness (Both Full & Mid-Level Tank Sensor)C Deutsch SocketContact 0462-201-20141 4 Plug DTM06-2S 2 WedgeLock WM-2S 2D Deutsch Pins 0460-202-20141 4 Receptacle DTM04-2P 2 WedgeLock WM-2P 2

Power HarnessF Deutsch PinContact 0460-204-08141 1 Receptacle DTHD04-1-8P 1G Deutsch SocketContact 0462-203-08141 1 PlugHousing DTHD06-1-8S 1

Pump Harness (Raw Water Models) CustomerSpecifiedPumpConnection 1

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Tecma EasyFit DimensionsHigh Profile

Low Profile

Weight:45lbs.

Weight:43lbs.

Note:Chinabasedimensionsarevariableduetoprocessvariations

1

13

14

2

8

3

9

611

4

5

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EasyFit Parts1. Seat&Cover

2. Nozzle

3. Controller

4. Pump&DischargeTube

5. MotorBracket

6. WaterInlet

8. FloorMountHardware

9. J-Bolt

11.DischargeTube

12.Grommet

13.WallSwitch

14.Bezel

15.LowerDischargeCheckValve

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Installation Schematic

Bezel (bone &black supplied)

Wall Switch Controller

Mounting Template

Water Pump(raw water models

Wiring HarnessTank Sensors(not supplied)

Electrical Supply(see Wire Gauge Table on page 8)

3/4” Water Supply

Full Tank Sensor

Mid-Level Tank Sensor (optional)

Solenoid Valve(fresh water models)

Lower Discharge Check Valve(shown in vertical orientation)

Standard 1.5” MarineSanitation Discharge Hose

Floor – minimum 3/4” ma-rine plywood or equivalent

Manufacturing Identification Label and CE Regulation Label affixed here

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Installation OverviewBeforebeginninginstallation:1. CompletelyreadandunderstandInstallationInstructions.2. Determinewhichconfigurationistobeinstalled–A,BorC–per

InstallationSchematicsbelow.

Tecma EasyFit Installation Instructions1. Thefloorwheretoiletwillbemountedislevelandstrongenough

tosupporttoiletandweightofanypotentialuser.2. Floorstructureisstrongenoughtosecurelyanchortoiletusing

suppliedbolts.3. Flooringiswater-resistantsostructureandanchoringintegrity

aremaintained.

Bowl Location1. Using toilet and supplied template, determine that sufficient

clearance between toilet and nearby wall exists so that watersupplyhoseanddischargehosearenotkinked.

2. Whenasatisfactorytoiletlocationisfound,markfloorlocationoftwothrough-holesinbaseoftoiletandlightlytracetheout-linesofthebowlwhereitmeetsfloor.Settoiletaside.

3. Usingtoiletoutline,usethetoiletbasetemplate(enclosed)tolocateanyrequiredholesinthefloor/chine.

4. Cutordrillholescalledoutintemplate.5. Drill1/8”pilotholesforlagscrews.(Donotattachtoilet.)

Holding Tank LocationLocatetheholdingtankinaslowapositioninboataspossiblesothatwastedrainstotankbygravity.

Raw Water Pump for Raw Water InstallationThesuppliedRawWaterpumpmustbesecurelymountedinadry,well-ventilatedarea.Itshouldbemountedclosetothetoiletandnotmorethan6feetatanytimeabovetheheeledwaterline.

Caution:Therawwaterpumpmustbepoweredbythetoiletcontrol-ler.(SeediagramP.S.)Useofanypumpthatdrawsmorethan15ampsrequiresinstallationofapumpcontroller.DonotwirepumpdirectlytoaD.C.powersourcesothatitiscontrolledbyitspressure-activatedswitch.Ifaleakweretooccurwhenwireddirectly,thepumpwouldruncontinuouslyandcreateriskofsinkingoftheboatandlossoflife.

Raw Water StrainerRaw Water installation requires an in-line strainer to protect thesystem.Note:strainersarenotprovided.Failuretouseanin-linestrainermayvoidproductwarranty.

Raw Water Supply-Vented LoopSiphoningcanoccurwhentoiletrimisbelowwaterlevel.Siphon-ing, where water flows into the toilet from outside, can lead tofloodingand,consequently,lossofpropertyandlife.

If toiletrimwillever–underanycircumstanceand/orunderanyconditionsofheeltrimorload–bebelowthewaterlevel,aVentedLoopofproperdiameterMUSTbeinstalledtopreventsiphoning.

TheVentedLoopmustbeatleast8”abovethewaterlineatalltimesandunderanycircumstancesorunderanyconditionsofload,heel,and/ortrim.

PressurePump

To other toiletsor valves Sea Level

range

B

To otherpumps

Filter or Strainer

Marine WaterPumpRequired Supply Line Vented Loop (min. 3/4” diameter)

Required Discharge Line Vented Loop

Toilet Mounting LocationDeterminethat:

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To Connect To The Water Supply

Raw Water ModelsInsertthe3/4”BarbedFitting(supplied)intotheendofWaterSup-plyLineandsecurewithaSmallHoseClamp(supplied).

Confirmthatallsupplylineconnectionsaretightanddonotleak.Checktightnessfrequently.

Fresh Water ModelsInsertthe3/4”Threadedx3/4”BarbedFittingintotheWaterSupplyLineandsecurewithaSmallHoseClamp(supplied).

Confirmthatallsupplylineconnectionsaretightanddonotleak.Checktightnessfrequently.

TheDischargelinefromthetoiletcanberoutedeitherthroughthefloororabovethefloor.Regardless,theLowerDischargeCheckValvemustbeinsertedintotheDischargeLine–eitherwithaverticalorahorizontalorientation,dependantupontheparticularinstallationsituation.

CAUTION• The Lower Discharge Check Valve is shipped sepa-

rately but MUST be installed into the Discharge Line for EasyFit to operate properly.

• Make certain the Lower Discharge Check Valve is in-stalled in the correct orientation – refer to diagrams that follow.

• Failure to orient the Lower Discharge Check Valve cor-rectly will prevent toilet from operating.

Discharge Line Through The FloorLower Discharge Check Valve – Vertical Orientation

TheLowerDischargeCheckValve,DischargeLineandClampsprotrudebelow the lowest edgeof the toilet base into thefloor. To accomodatetheLowerDischargeCheckValve,a31/2”holemustbedrilledintothefloor/chine.

UsetheTemplateprovidedtolocatethepositionofthisholeandeither

To Connect To The Discharge Linedrillorcuta31/2”holethroughthefloor/chine.

TheLowerDischargeCheckValve(rigidend)isconnectedtotheEasyFit’sDischargeTubeusingalargehoseclamp(supplied).

Inserta1-1/2”HoseCoupling(notsupplied)intothelower,rubberendoftheLowerDischargeCheckValveandfullysecurewithahoseclamp.

Whenthedischargelinefromtheholdingtankhasbeenroutedthroughanyholestothetoilet,slidea2-1/2”hoseclampontothehose.ConnecttheDischargeLinebyslidingthehoseoverthe1-1/2”HoseCouplingatthebottomoftheCheckValveandsecurebytighteningthehoseclamp.TohelpeasehoseovertheHoseCoupler,itmaybehelpfultogentlyheattheendof thehosewithaheatgun.Donotusesoapywaterorotherlubricants.(Refertothecorrespondingdiagramthatfollows.)

Discharge Line Through The FloorLower Discharge Check Valve – Horizontal Orientation

Inserta1-1/2”HoseCoupling(notsupplied)intothelower,rubberendoftheLowerDischargeCheckValveandfullysecurewithahoseclamp.

Whenthedischargelinefromtheholdingtankhasbeenroutedthroughanyholes to the toilet,slidea2-1/2”hoseclampontothehose.Connect theDischargeLinebyslidingthehoseover the1-1/2”HoseCouplingat the

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Discharge Vented Loop RequirementsA. Aventedloopmustbeinstalledinthedischargepipingifeither

orbothoftheseconditionsapply:1. Thetoiletisconnectedtoathrough-the-hullfittingonthedischarge

side and the rim of the toilet is below the waterline under somecircumstanceorundersomeconditionsofload,heeland/ortrim.

2. Undersomeconditionsofload,heeland/ortrim,thetopoftheholdingtankisabovetherimofthetoilet.

B. Aventedloopshouldbeinstalledinthedischargepipingiftheholdingtankislocatedmorethan4meters(13ft)fromthetoilettoaidinthedrainingofwasteintotheholdingtank:

TheVentedLoopmustbeatleast8”abovethewaterlineatalltimesandun-deranycircumstancesorunderanyconditionsofload,heel,and/ortrim.

Discharge HosesThis toilet isdesigned todischargewaste intoa1.5” IDmarine-gradesanitationhose/pipe.

Note:Useonlymarine-qualityreinforcedhosesduringEasyFitinstallation.RigidPVCpipe,whichisvirtuallyimpervioustoodorpermeation,mayalsobeusedforthedischargeline.Ifusingflexiblehoses,avoidsharpbendsthatmaycausethehosetokinkandrestrictflow,andsecurethehosestopreventabrasion.Alwaysinspectthefinalinstallationforleaks.

bottomoftheCheckValveandsecurebytighteningthehoseclamp.TohelpeasehoseovertheHoseCoupler,itmaybehelpfultogentlyheattheendofthehosewithaheatgun.Donotusesoapywaterorotherlubricants.

WiththeLowerdischargeCheckValveinitscorrect,horizontalorienta-

IMPORTANT: All connections be-tween the Discharge Hose, LowerCheck Valve and plumbing must befully tightened to prevent all wasteleaks.

tion,ascloasetotheEasyFitaspossible,connectitsrigid,inletendtotheEasyFit’sDischargeTubeusingoneormore1-1/2”HoseCouplings(straightand90°,notsupplied)astheinstallationrequires.(Refertothecorrespondingdiagrambelow.)

Final Installation Procedure1. After making all plumbing and electrical connections, it is

stronglyrecommendedthatthetoiletoperationbecheckedbyflushingbeforepermanentlymountingittothefloor.

2.Afterasuccessfulcheck,positiontoiletintoitsfinallocationbyusingthepencillinesonthefloorasaguide.Make sure hos-es are not kinked and wiring is not trapped between the china and the wall or floor.

3. Insertthelagscrewsintotheplasticisolatorsandthenfinger-tightenscrewsintothepilotholes.

4.Temporarilytipthetoiletapproximately1”offthefloorsoabeadofsiliconcaulkcanbeappliedjustinsidethepenciledperimeterofthebase.

5.Lowerthetoiletintoitsfinalposition.Pushitdownanddriveinlagscrewsuntilseated-thentightenadditional3/4turn.

6.Smooththeexcesssiliconbeadaroundtheperimeteroftoilet,addingmoresiliconaroundtheperimeterifneededtocreateauniformseal.

7.If therearedgeof the toilet is intendedtofit tightagainst thesidewallofthevessel,runabeadofcaulkaroundtherearedgeoftoiletsothatwatercannotgetinbehindtoilet.

8. Verifythatthetoiletoperatescorrectly.

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Boat or Vehicle Electrical RequirementsInstallationrequirements:• AllcircuitsmustfollowABYC/ISOstandards.• Wiregaugesizesmustfollowwiregaugesizechartbelow.• Everytoiletmusthaveitsowncircuitbreakerorfuse.• AlwaysusestrandedcopperwiremeetingCOHA’srequirements.• Alwaysusecrimp-styleconnectorswithSealingprovisionsto

avoidcorrosion.

Tecma EasyFit Electrical System

WARNING! HAZARD OF FIRE Always use recommended circuit breakers or

fuses. Failure to follow the recommendations can result in fire.

Wire Gauge Size ChartWireGaugefordistancefromsource* 0-20feet 20-32feet 33-50feet CircuitBreaker

12 Volts 10 Gauge 8 Gauge 6 Gauge 30 amp

0-20feet 20-32feet 33-50feet

24 Volts 16 Gauge 14 Gauge 12 Gauge 30 amp

WiringtoTankSensors:18gauge

*Distancemeasuredisphysicallengthofharnessbranch.Calculationsassumetwowires,powerandground.

Wall Switch & WiringSelectwallswitchlocationconvenienttotoilet.Cuthole2-5/8”x3-3/4”anddrillholesformountingscrews.

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Mount Tank SensorsFull Tank Sensor – All modelsHalf Tank Sensor – OptionalCleanthesurfaceofthesideofthetankatthe top – approximately on the left-rightcenterlinewithisopropylalchohol(notin-cluded)wherethesensorwillbemounted.Whenthoroughlycleananddry,firmlypressthesensorinplace.(Note:Wirescanpointin any direction – the sensors directionalorientationdoesnotaffectitsoperation.)

Follow the same procedure for the op-tional Mid-Tank sensor, except it shouldbemountedontheleft-rightcenterlineap-proximatelyhalfwayupthetankside.

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