Quote:
Originally Posted by jmalvaso
thanks Mike. and I guessing that the seacock needs to be in the open position to flush waste water from the bowl.
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You are asking a lot of questions, however you are not answering anyone else's questions being asked of you. This makes it difficult to give you the information that you need. Our option is to then draft lengthy replies of "IF this, then....."
If the head is a vacu-flush it will work differently than either an eletctric or manual flush.
What kind of head do you have??
If you answer the question, we can easily answer yours.
I'm going to assume a 1999 2400 is going to have a Jabsco Manual (pump flush) head. The way these work is the up stroke of the pump draws water from outside of the boat. This is drawn through a seacock, usually located in a bilge area relatively close to the head.
The down pump action will evacuate the bowl and send the contents to the holding tank.
The holding tank can be emptied either with a pump-out through the deck plate labelled "Waste". The pump out is a power vaccuum device.
The alternative method of emptying the holding tank is through the holding tank discharge. There is a second discharge hose that goes from the holding tank to a discharge pump. Then from the discharge pump to the through hull fitting. The dual single-throw switches at the helm activate the discharge pump. Both switches need to be thrown and held simultaneously for hte discharge pump to actuate.
Removing the switches is senseless, since the pump and hosing will still be in place. Don't cripple the functionality of the boat. Just because you won't use them now, doesn't you wont have an opportunity or a need in the future. When you sell the boat it will be painful obvious that you half crippled a feature. If you don't want to use it, then don't use it.
Now, there are set-ups that will have a shutoff at the discharge line. There are also switches that will re-route the discharge line from the head to the holding tank or a direct discharge.