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Scratches head... But what if you have two different appliances on opposite sides of the boat? Oh well. My boat probably isn't big enough to have non-proximate areas. I could probably reach the breaker on the main panel with one step from the furnace.
It looks like a factory installation. I don't know why a separate solenoid switch was required, or why the stock panel "stove" breaker wouldn't suffice. (I have to turn them both on).
Anybody know?
My propane drain is pretty curly-cued; perhaps moreso than yours... And much dirtier....
View attachment 27267
I asked the question about water blocking propane from exiting the locker drain hose if there was a leaky joint or valve in the locker. I am still not completely sure, but I think the answer is "Yes, the water will block the propane from exiting the locker." I did some research this evening.
The key is the density of the two fluids. Water density is 997 kg/m3 (kg per cubic meter) and propane is just 493 kg/m3. That should mean that propane gas will float on top of water. If you think about motor oil and water, and the fact that oil floats on water, it makes sense. if you pour a cup of water into a gallon of 5W-30 motor oil (860 kg/m3), the water finds it's way to the bottom since water is denser than oil. Same reason that water goes to the bottom of our boat and auto fuel tanks. Diesel fuel and gasoline are both less dense than water.
But what happens to that propane that can't escape the locker through the drain? Well, it will eventually fill the locker, unless there is a hole higher up in the locker that … dumps it into the lazarette. If the propane does overtop the locker it drains into the cockpit on my boat. And it goes out the cockpit drain above the water line … as long as there is no water trapped in the cockpit drain hoses down in the nest behind the water heater.
Food for thought.
The propane will leave the locker as soon as the mass of the propane exceeds that of the water left in the 'trap'. .