SeaSmart® - The intelligent marine toilet sanitizer

Tel: +44 (0)1425 281004

SeaSmart Marine | Motor Boat


1) How easy is it to install?

It's easy if you can DIY or know someone who can. Just 2 tiny screws secure the SeaSmart by the Head and then it connects to the inlet sanitation hose of the pump (manual or electric). All you need are basic DIY tools. Full instructions come with the SeaSmart.

2) How much power does it use?

None! The SeaSmart is powered by its own small 9 volt PP3 battery, which powers its microprocessor, pump and all electronics.

3) How long does the refill last?

That depends on usage. As a rough guide, on an average boat it should last over a year, on a boat with good use about 6 to 12 months. On a boat sailing continuously with a crew of 6 using one head a refill should last about 3 months. A discrete LED indicator on the SeaSmart tells you when to change the refill.

4) How long does the battery last?

That depends on usage, but long enough to power several refills. A discrete LED indicator tells you when the battery needs changing.

5) How do I get replacement refills?

We dispatch replacement refills all over the world. You can order them on this Website, by phone on +44 (0)1425 281004, by email or by clicking here

6) How big is it?

Height: 26cm or 10 inches
Width: 11.6cm or 4½ inches
Depth: 7cm or 2¾ inches

7) What if my yacht has more than one Head?

You’ll need a SeaSmart for each marine toilet on the boat.

8) What if my yacht has a very long Inlet Sanitation Hose?

The very thin catheter like disinfectant tube has to be threaded down inside the inlet sanitation hose to within 15 cms (6 inches) of the seacock. SeaSmarts come with a 1.8 metre (6ft) length which you cut to length with scissors. If your inlet sanitation hose is longer than 1.8 metres (6 feet), you will need an extension tube which we can supply. It has a connector which simply pushes onto the existing tube.

9) What if I need a longer tube between the SeaSmart and the "T" piece connection to the flush pump?

This is unusual but can be necessary if you can't fit your SeaSmart close to your toilet or close to your flush pump if your toilet's electric and has a remote flush pump.

a)Choose a suitable position for the SeaSmart on cabin cladding or a bulkhead next to the toilets flush pump.

b)Your SeaSmart needs to be within 40cms (16 inches) of the flush water inlet to the flush pump. That’s just right for almost all manual heads and most electric heads with integral flush pumps. If you have to install further away and need a longer connection tube, we can supply to order, just call us.

Please remember that you can also install into your sanitation hose anywhere between your seacock and your flush pump where the sanitation hose is accessible, if it's more convenient.

10) What if I have a holding tank

Your SeaSmart will not affect your holding tank. The disinfectant doses are so small that any faecal matter in the tank will completely neutralise the disinfectant and the tank will continue to work normally. You can discharge your tank at sea in the normal way, always in compliance with your national and international regulations.

Should you have an existing odour problem from a holding tank vent, you should look at ways of increasing the ventilation to the tank. Holding tank odours are caused by anaerobic bacteria and increasing ventilation will allow aerobic bacteria to regain control and odours will rapidly reduce and usually stop altogether.

Try installing an inlet and an outlet vent pipe either side of the holding tank and connect them to fittings either side of the hull. This will get a good cross flow of air and will almost certainly solve the problem. Expensive carbon filters just restrict the air flow even more and can aggravate the problem.

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