While draining my drinking water system for the winter, I found some green colored liquid dripping from the connection at the rear of my water heater. What is this, how and where do you check it or it's level, do you check it and finally how do I replenish it if needed? Thanks for the help
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Steve
Engine Coolant
Mitch, That green fluid is engine coolant, and yes, you need to fix the leak and replish the coolant. This is part of your heat exchanger that warms water when your engine is running. If you haven't had engine overheat problems yet, your lucky. Check your overfill bottle in your engine compartment, and make sure that it isn't empty. The engine is the only place with the green stuff, so it is easy to identify when it is leaking. Good luck, Steve
Mitch, That green fluid is engine coolant, and yes, you need to fix the leak and replish the coolant. This is part of your heat exchanger that warms water when your engine is running. If you haven't had engine overheat problems yet, your lucky. Check your overfill bottle in your engine compartment, and make sure that it isn't empty. The engine is the only place with the green stuff, so it is easy to identify when it is leaking. Good luck, Steve
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Peggie Hall/Head Mistress
That's not good!
It means that the heat exchanger inside your water heater has either rusted out or otherwise sprung a leak and allowing highly toxic ethylene glycol engine coolant into your potable water system--at least into your hot water. It may mean that your water heater is toast, 'cuz there's no way to get inside a hot water tank to replace or repair the heat exhanger.
It means that the heat exchanger inside your water heater has either rusted out or otherwise sprung a leak and allowing highly toxic ethylene glycol engine coolant into your potable water system--at least into your hot water. It may mean that your water heater is toast, 'cuz there's no way to get inside a hot water tank to replace or repair the heat exhanger.
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Pete
check hose clamp and double clamp them.
the 340 is a fairly new boat and should not need awater heater yet. check the hose clamps and double clamp them if needed and if still leaking you most likly need a water heater. If needed you could bypass the heater at the engine until you fix the problem (if it is the water heater)DO check you engine coolant and add as needed. DO NOT drink the water until you have fix the problem !!!
the 340 is a fairly new boat and should not need awater heater yet. check the hose clamps and double clamp them if needed and if still leaking you most likly need a water heater. If needed you could bypass the heater at the engine until you fix the problem (if it is the water heater)DO check you engine coolant and add as needed. DO NOT drink the water until you have fix the problem !!!
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Frank Arndorfer
H340 water heater
As in the other responses, you need to be certain about the SOURCE of the "green fluid" (aka coolant). I have a 2001 H340 and had to replace a leaking water heater this spring. There is a heat exchanger that allows hot coolant from the engine to enter the heater and heat the water with engine running. Easily identified because these are the two hoses entering the heater from the rear. If this is where you noticed the coolant, then you've inadvertantly removed the exchanger hoses from the engine. The internal heat exchanger is completely enclosed inside the heater itself. All fresh water lines connect to the front of the tank. If you had any coolant coming out of any of the fresh water lines, as Peggy stated, then there's a problem with a leak somewhere in the exchanger and you're contanimating your fresh water with coolant. Not good. The Yanmar manual does a good job of explaining the procedure for replenishing coolant levels. Just follow it and you'll be OK. The heat exchanger itself only holds a very small quantity of coolant. And as long as you didn't let the hose ends drop below engine level, you shouldn't have lost too much fluid. All fresh water connections enter the heater from the front.
As in the other responses, you need to be certain about the SOURCE of the "green fluid" (aka coolant). I have a 2001 H340 and had to replace a leaking water heater this spring. There is a heat exchanger that allows hot coolant from the engine to enter the heater and heat the water with engine running. Easily identified because these are the two hoses entering the heater from the rear. If this is where you noticed the coolant, then you've inadvertantly removed the exchanger hoses from the engine. The internal heat exchanger is completely enclosed inside the heater itself. All fresh water lines connect to the front of the tank. If you had any coolant coming out of any of the fresh water lines, as Peggy stated, then there's a problem with a leak somewhere in the exchanger and you're contanimating your fresh water with coolant. Not good. The Yanmar manual does a good job of explaining the procedure for replenishing coolant levels. Just follow it and you'll be OK. The heat exchanger itself only holds a very small quantity of coolant. And as long as you didn't let the hose ends drop below engine level, you shouldn't have lost too much fluid. All fresh water connections enter the heater from the front.
No reason to think that the heater is bad.
Mitch: There is really no reason to believe that your heater is bad. If you had antifreeze in your HOT water, then you have a big problem. Anti-freeze (ethylene glycol) is very toxic, so you want to make sure that the water is OKAY. Be SURE to check this out. If this is the case, you should also purify the entire system. Sounds like you may just have a loose connection. I do not know what year your boat is but the heater could be under a warranty. PS: This is also a good reason to use Proplyene Glycol in your system. I think that Peak
Mitch: There is really no reason to believe that your heater is bad. If you had antifreeze in your HOT water, then you have a big problem. Anti-freeze (ethylene glycol) is very toxic, so you want to make sure that the water is OKAY. Be SURE to check this out. If this is the case, you should also purify the entire system. Sounds like you may just have a loose connection. I do not know what year your boat is but the heater could be under a warranty. PS: This is also a good reason to use Proplyene Glycol in your system. I think that Peak
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Don curt
Easy Repair
You didn't say that you saw the anti-freeze in your potable water. You said you saw a leak at the rear of the heater. I had the same and all I did was put some "liquid metal" around the pipe where it enters the back of the heater. Worst part is removing and replacing the soggy insulation around the tank.
You didn't say that you saw the anti-freeze in your potable water. You said you saw a leak at the rear of the heater. I had the same and all I did was put some "liquid metal" around the pipe where it enters the back of the heater. Worst part is removing and replacing the soggy insulation around the tank.
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