Siting of a gas water heater

[Cocat2517]

Hi,
Looking to add a gas water heater (lpg from a propane bottle) to provide hot water on demand. Tried looking through boat safety scheme regs but can't find anything about rules on where it can/can't be sited.

There's only one sensible place it can be mounted and that's on a bulkhead next to galley, however it will mean putting it next to a 12v socket and a 230v socket. Wanted to know if this is allowed before committing to buying one and getting someone out to quote fitting.

Do gas appliances have to be a certain distance from electrical outlets or anything else?

Thanks!

 

[ST840]

If you're getting a quote for fitting, it'll probably be best to ask the potential fitter, seeing as he/she will/should know the regs.

 

[Cocat2517]

This is the only practical location it can go, so wanted to get an idea if it can actually go here before I drag someone out to have a look and quote me. My place is a bit of a trek just for someone to come out, take a look and say no it can't go there.

 

[paulajayne]

Some guidance here:-
https://www.boatsafetyscheme.org/media/268789/ecp-private-boats-ed3_rev2_apr2015_public_final.pdf

Ensure that you fit CO2 detector as well as fire.

Where will flue exit?

 

[Cocat2517]

Thanks. That's what I read through before and couldn't find anything in it that refers to restrictions in where lpg appliances can be fitted, so presumably there are no restrictions as far as the BSS go. It's mostly concerned with the LPG cylinder location rather than appliances they feed.

Got a co2 detector, so will definitely be fitted. Will probably get another... one next to cooker/ water heater and a second up near bunks. There's plenty of ventilation too... solar roof fan, side vents and a galley and WC/shower extractor fan that will provide a little passive ventilation when not in use.

Water heater I'm looking at is the Ariston Evo X 11 or 16L (low Nox). They can have either vertical or horizontal flues. Only option for me is horizontal flue, will will vent out the starboard side. It'll protrude approx 6 inches and be approx 18 inches above walkway on that side. Not ideal and woul prefer a vertical flue, but not an option.

 

[stelican]

This is the only practical location it can go, so wanted to get an idea if it can actually go here before I drag someone out to have a look and quote me. My place is a bit of a trek just for someone to come out, take a look and say no it can't go there.

Send fitters that photo

 

[Croftie]

Water heater I'm looking at is the Ariston Evo X 11 or 16L (low Nox). They can have either vertical or horizontal flues. Only option for me is horizontal flue, will will vent out the starboard side. It'll protrude approx 6 inches and be approx 18 inches above walkway on that side. Not ideal and woul prefer a vertical flue, but not an option.

The only thing I can think is (not in the bss guide afaik) is that the flue exit should not be near an opening window. May be worth asking on canalworld.net

 

[ST840]

one next to cooker

If I were you I'd first read the installation instructions of the particular CO alarm you have. If you mount it next to the cooker it will no doubt go off all the time you cook. Gas hobs give off carbon monoxide 100%. But, it's in smaller amounts, hence they don't have an extractor flue, but you must always have a window open or sliding door to ventilate the area. That will be in the usage instructions for the hob. If you mount the CO detector next to the hob it will go off every time.
Place where the manufacturer recommends, not where you think it should go. And btw, all the CO manufacturers have different location zones for their own models, it's not a one fits all scenario.

 

[ST840]

The only thing I can think is (not in the bss guide afaik) is that the flue exit should not be near an opening window. May be worth asking on canalworld.net

I'm not LPG trained, but do work on natural gas appliances. Powered twin wall flues need a minimum of 300mm from and opening. Be that a window, door or air vent.
If it's a natural fraught flue (doubtful) the tolerance will be 3-4 times more, ie 1200mm clearance. But as I say LPG may differ, but I'll be surprised if it does.

 

[SandyP]

For bss, I understand you cannot install an unsealed unit in the cabin (unless it's replacing the original?)

Otherwise, they can be installed in any outside location, ie open cockpit

 

[Cocat2517]

The modern ones are room sealed, so use the flue to draw air in and extract out.

Flue will be 600mm from an opening window.