Heads: Difference between revisions
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Water Supply and Vent: Shields Series 148 White PVC Sanitation & Water Hose (0.75" ID) - P/N: 148-1006<br> | Water Supply and Vent: Shields Series 148 White PVC Sanitation & Water Hose (0.75" ID) - P/N: 148-1006<br> | ||
Black Water: Shields Series 148 White PVC Sanitation & Water Hose (1.5" ID) - P/N: 148-0346<br> | Black Water: Shields Series 148 White PVC Sanitation & Water Hose (1.5" ID) - P/N: 148-0346<br> | ||
Black Water (improved): MPI Series 104 - Premium Hardwall Sanitation Hose (1.5" ID) - P/N: 104-1123<br> | Black Water (improved): MPI Series 104 - Premium Hardwall Sanitation Hose (1.5" ID) - P/N: 104-1123<br><br> | ||
'''Port head operation tip'''<br> | '''Port head operation tip'''<br> | ||
When flushing the head with seawater, urine reacts with minerals in the water and forms hard crystalline deposits called urine scale. Over time, these deposits build up inside the hoses, restricting flow and eventually leading to the worst jobs on a boat. To extend the time between required servicing, never allow urine to sit in the hoses.<br><br> | When flushing the head with seawater, urine reacts with minerals in the water and forms hard crystalline deposits called urine scale. Over time, these deposits build up inside the hoses, restricting flow and eventually leading to the worst jobs on a boat. To extend the time between required servicing, never allow urine to sit in the hoses.<br><br> | ||
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Model: Centrifugal Macerator Pump (12V)<br> | Model: Centrifugal Macerator Pump (12V)<br> | ||
Part number: 81-47248-01<br><br> | Part number: 81-47248-01<br><br> | ||
Manufacturer: SPX Johnson <br> | |||
Model: Comfort Soft Close Toilet Seat <br> | |||
Part number: 81-47241-05<br><br> | |||
Latest revision as of 17:49, 18 June 2026
Electric Heads
Manufacturer: SPX Johnson
Model: AquaT™ Silent Electric Comfort Marine Toilet
Part number: 80-47232-01
Manual: File:Marine Toilet Manual.pdf
Hoses
Water Supply and Vent: Shields Series 148 White PVC Sanitation & Water Hose (0.75" ID) - P/N: 148-1006
Black Water: Shields Series 148 White PVC Sanitation & Water Hose (1.5" ID) - P/N: 148-0346
Black Water (improved): MPI Series 104 - Premium Hardwall Sanitation Hose (1.5" ID) - P/N: 104-1123
Port head operation tip
When flushing the head with seawater, urine reacts with minerals in the water and forms hard crystalline deposits called urine scale. Over time, these deposits build up inside the hoses, restricting flow and eventually leading to the worst jobs on a boat. To extend the time between required servicing, never allow urine to sit in the hoses.
On the port side, the hose run between the head and the holding tank is particularly long. It takes nearly one gallon of water to fully purge urine from this line. In practical terms, this means filling the toilet bowl to about one inch below the rim before flushing.
How to unclog the holding tanks: External Link
Replacement Parts
Manufacturer: SPX Johnson
Model: Replacement pump sea water pump 3.5gpm (12V)
Part number: 81-47248-01
Manufacturer: SPX Johnson
Model: Centrifugal Macerator Pump (12V)
Part number: 81-47248-01
Manufacturer: SPX Johnson
Model: Comfort Soft Close Toilet Seat
Part number: 81-47241-05
