Dometic SN01072121 User Manual Page 1

1HOLDING TANK SYSTEMOWNER’S MANUALVacuFlush® 10HTS, 18HTS, 35HTS and 42HTS Models;Standard 28HTS and 40HTS ModelsDometic Corporation • Sanitation Syst

101234567891011121314151617181920212223242526 PARTS LIST – 28HTS and 40HTS3093100013853106736003429583853106356003429323173012003174012003173024003174

11ItemDescriptionPartNumber123456789101112131415Vent Filter Fittings1½" Uniseal®½" Uniseal1½" Holding Tank Vent Filter5/8" Holding

12Item PARTS LIST – 42HTS123456789101112131415161718192021222324251-1/2" MPT Elbow x 9042 HTS Diptube (includes item 3)2" UnisealTankSaver V

13NOTE: When reassembling pump, tighten screw (item no. 7) , to 20 ±2 lbs., or until snug.Overtightening will cause holes to strip. PARTS LIST – VACU

14 PARTS LIST – LOW-PROFILE VACUUM GENERATORLOW-PROFILEVACUUM GENERATORPan Phillips Head Screw, #4 x 3/8", SSPump CoverTop ClosureHex Washer Head

15SANIPUMP™ OVERBOARDDISCHARGE PUMP PARTS LIST – DISCHARGE PUMPItemPart No.Description*Note: When reassembling pump, tighten screws to 20±2lbs., or u

16 HTS COMPONENTSTankSaver™ VacuumRelief ValveSeaLand’s TankSaver™vacuum relief valve preventsdamage due to holding tankimplosion from docksidepumps t

17 VACUFLUSH® VACUUM GENERATORSLow-ProfileVacuumGeneratorVacuum GeneratorsVacuFlush vacuum generators combine the vacuumtank and vacuum pump in one un

18 HOLDING TANK DISCHARGE INFORMATIONOVERBOARD DISCHARGEWhen is it okay to discharge overboard?The answer to this question depends on where you are bo

19 CUSTOMER SERVICEThere is a strong, worldwide network to assist in servicing andmaintaining your sanitation system. For the Authorized ServiceCenter

2 FEATURES TABLE OF CONTENTSSeaLand’s standard 28 and 40 Holding Tank System (HTS) models feature a space-saving design thatcombines the level indicat

20Dometic warrants, to the original purchaser only, that this product, if used for personal, family or household purposes, isfree from defects in mate

3 INSTALLATION INSTRUCTIONS (cont’d)Secure 5/8" vent hose, 1 ½" holding tank inlet hose, 1 ½" dockside discharge hose, and 1 ½" ov

4 WINTERIZINGIf using the HTS with SeaLand’s VacuFlush components, refer to VacuFlush Owner’s Manual for winterizationinstructions. If using antifre

5 SPECIFICATIONS10HTS18HTS28HTS35HTS40HTS42HTS10 Gallons38 Liters18 Gallons68 Liters28 Gallons106 Liters35 Gallons132 Liters40 Gallons151.4 Liters42 G

6 WIRINGOverboard DischargePumpOverboard Discharge Pumpwith SeacockInterlock Relay& DeutschConnectorsVacuum GeneratorTank Level MonitorPLEASE NOTE

7 WIRING (cont’d)10HTS, 18HTS, 35HTSwith Shutdown Relay

1234567891011126003428063853107676003430236003437586003427666003422386003436576003429586003404236003404243853107686003442581 ½" MPT x 90º Elbow10

91234567891011126003428063853107076003430233132552473853107086003429326003430713063428713853107096003427896003478023853107101 ½" MPTx 90° ElbowDi