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Old 10-19-2016, 12:38 PM   #1
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Manatee Propane System Safety

I dicovered a pin hole leak in one of the pig tail hose connections the other day while hooking up a refilled 10 lb tank.
We have two ten pound bottles in a up right rack under the port side pilothouse seat locker. The locker is vented to the outside. The two tanks are connected by individual pigtails, a selecter valve and hose to a pipe tee with pressure gage and attachment to the propane regulator, then a solenoid shut off valve.
After finding the leak I thought a complete rebuild of the set up was in order. I inspected and found the O ring seal inside both tank valves needed replacing, to do that a new valve must be used. Both tanks are at a local propane retailer for tank re-certification and new valves. I've ordered a new pig tail which will connect directly to the tee. To make a safer setup with less places for leakage I eliminated the selecter valve and dual pig tails. I reasoned it only takes a minute to shut the tank valve and switch the hose to the other tank.
I will post a photo once the system is re-installed.
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Old 10-21-2016, 03:34 PM   #2
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Before
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Old 10-21-2016, 03:37 PM   #3
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New cylinder OPD valves and single pigtail.
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Old 10-21-2016, 07:35 PM   #4
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Thanks for the pic. Has your always stood upright? Our are on the side.
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Old 10-21-2016, 07:47 PM   #5
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Greetings,
Mr. HDH. Given the disheveled appearance and the number of fittings on the old system I would agree, a rebuild was in order. The only comment I can make is constant switching of the single pigtail between the 2 bottles may place undue strain on the crimped hose fitting. Might you be better off putting in a new "T" without the valve and another pigtail? Meaning a double outlet fitting between the gauge and the regulator.
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Old 10-21-2016, 08:13 PM   #6
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Constantly switching of the fitting is maybe once a year.
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Old 10-21-2016, 08:15 PM   #7
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You cannot use vertical tanks in a horizontal position or horizontal tanks in a vertical position
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Old 10-21-2016, 10:08 PM   #8
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If that pigtail needs to be switched while your wife has a cake
in the oven you had better "take cover".

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Old 10-21-2016, 10:53 PM   #9
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Hmmm. I've got precisely the same setup for the stove and a separate system and tanks for the propane option on the fridge. I didn't think the two 10 lb. setup was original equipment....always learning. I'll be following your lead, Bill. I've owned the boat for five years an haven't switched a bottle yet. The Admiral wants me to switch to convection burners after finishing the solar.
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Old 10-22-2016, 07:45 AM   #10
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Larry we've owned Hi-D-Ho 9 years and thought the dual 10 lb cylinders setup works well and like cooking with gas. If the stove or oven requires replacement we probable will look at a non-propane option. I think the installation is factory because the perferated white board the cylinders sit in is the same board I have on the overhead of the generator and engineroom.
I did have to update the propane storage locker when I enclosed the pilothouse. Rubber lid seal, block off inside vents and put in a 1/2" + exterior vent in so any leaks are vented outside of the pilothouse. I 'm almost positive that our Manatee when built had an open pilothouse design except for the front and side windows so the propane locker had regular interior vents like the other seat lockers.
Ted your right, but switching the pigtail to the other cylinder and opening and closing the valves preety much takes the same amount of time and I never did like that cylinder selection valve between the two old pigtails, it seemed to me to be a flimsy design for gas use.
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