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#205941 - 04/29/12 07:59 PM Swimming pool water heater
MJ2000 Offline

Registered: 06/29/05
Posts: 17
Loc: Toronto, ON
Does swimming pool water heater need to be protected with
GFCI breaker (50A)?
The heater(heat pump) is more than 10' from the pool.


2014 / 2011 NEC & Related Books and Study Guides
#205951 - 04/30/12 07:43 PM Re: Swimming pool water heater [Re: MJ2000]
leland Offline

Registered: 08/20/07
Posts: 856
Loc: Lowell area, Ma. USA
In the States,the pool heater does not need to be GFCI. (2008- NEC) 680.9

680.26(6)(b). bonded and grounded per/instructions.

#205952 - 04/30/12 08:54 PM Re: Swimming pool water heater [Re: MJ2000]
MJ2000 Offline

Registered: 06/29/05
Posts: 17
Loc: Toronto, ON
Even if the code doesn't require a GFCI breaker, is it still worth the extra $100 for better protection?

#205953 - 05/01/12 08:09 AM Re: Swimming pool water heater [Re: MJ2000]
HotLine1 Offline


Registered: 04/03/02
Posts: 6792
Loc: Brick, NJ USA

IMHO, I would install GF protection. I don't have any CEC info for you.

An explanation of the benefits to the client, as opposed to the $$ for GF should help if the job costs are considered to be costly.

#205965 - 05/02/12 06:02 PM Re: Swimming pool water heater [Re: MJ2000]
mikesh Offline

Registered: 06/07/06
Posts: 614
Loc: Victoria, BC, Canada
Well the heater leaks current and a class A gfci won't even hold if the heater is large enough. Class b GF protection does not protect life so how can it work for life protection except that class b can be used where class a is not available? Actually look at rule 68-068 especially subrule 7
So if the heater is within 3 meters and not the other side of a wall then yes GFCI protection is required. If the heater is further than 3 meters then no.


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