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  #11  
Old 03-31-2012
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Re: Propane valve

Solenoid: Extra moving parts that mix electricity with explosive gas.
Gascock: Extra moving parts.
Shutoff valve on the gas bottle itself: Minimal extra stuff to break, just requires the crew to remember to shut off the damned gas.

There's something to be said in favor of any one of those approaches, really.

Or you ditch the heavy bulky troublesome some and gas system, buy the big box of Snickers and just go sailing. (VBG)
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Old 03-31-2012
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Re: Propane valve

Actually the solenoid valve is the most popular method because it meets ABYC. Closing the tank valve manually does not meet ABYC because it cannot be done from the vicinity of the stove in almost all boats.

Solenoid valves do not create sparks as they are totally sealed.

From ABYC A-1
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Old 04-01-2012
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Re: Propane valve

Well I can assure you that if the stove was on fire I certainly would not squeeze myself into the aft port cabin then move doors and buts appropiately to open the hanging locker door and push aside coats etc to operate the valve.
Seems totally useless to me.
I think I will just use the valve on the tank which is in a proper locker. It is not like I'm flicking on the stove every 5 minutes. So the only question is if I should shut this stupid valve off as the last step or leave it open and never think about it.
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Old 04-01-2012
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Re: Propane valve

Thats the pupose of the solenoid switch. Oours is located in the galley a distance away from the stove ( which is not far as most galleys are compact. if there was ever a problem at the stove you coulkd just hit the switch and the gas goes off. No need to bolt up the campanionway steps to the propane locker to turn a valve. That would take 15 seconds the other takes 2 seconds.

That to me is best and safest way to set the system up. It is probably why that is the ABYC compliant way to do things. Never compromise safety...especially when you are dealing with inherently explosive gases.

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Old 04-01-2012
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Re: Propane valve

Installing a switch and proper solenoid, esp with an indicating light, helps to avoid that basic human nature of forgetfulness... The light will eventually catch your eye (as you sit down to eat, for example) and you'll turn it off. Even the knowledge of the approx 1 amp power draw will make you want to turn it off ASAP.

Much better than crawling into your berth on a cold snotty night and just before you drop off realizing that you forgot to go outside to close the tank valve!!
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Old 04-01-2012
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Re: Propane valve

Install a selenoid valve. It is straightforward to install, a valuable reminder, brings you closer to code, and is just darned convenient. I would not want an open propane tank on my boat without one!
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Old 04-01-2012
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Re: Propane valve

Quote:
Originally Posted by mitiempo View Post
This is not allowed by ABYC - there must not be any connections outside the propane locker except at the appliance.
Spot on!!!
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Old 04-01-2012
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Re: Propane valve

I agree with all comments about solenoids, ABYC no breaks in the line, long run to valve in propane locker, etc.

However, I've never really understood why having a very accessible shut off valve nearby, in addition to the solenoid switch is a bad thing. I acknowledge it is considered so. In the back of a hanging locker is bad, I agree. You would never be able to see its condition. However, a stable mounted, sturdy, over engineered, etc, valve must be available that would not run the risk of leaking. Pipes are connected all the time in your house.

On our boat, there must be 20+ feet of hose from the solenoid to the burner. Maybe more given all the turns and it will burn for a few seconds after hitting the switch. It would seem preferable to drop a lever right there, then get over to the solenoid switch. That lever would have to be in the open, not in a locker.

I understand the ABYC prohibition, I am questioning why it is so.
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Old 04-01-2012
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Re: Propane valve

Adding a valve near the stove adds 2 connections. Good connections shouldn't leak. But it triples the risk of a leak compared to the single attachment at the stove. That is probably ABYC's reasoning.
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Re: Propane valve

Quote:
Originally Posted by mitiempo View Post
Adding a valve near the stove adds 2 connections. Good connections shouldn't leak. But it triples the risk of a leak compared to the single attachment at the stove. That is probably ABYC's reasoning.
I'm sure that's right, but I don't know why a near bullet poof connection couldn't be specified for this.
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