SWG..before or after large heater

[duraleigh]

Hi, SWG gurus,

My heater will be a large water-to-water exchanger that (I hope) will be changing my water temp by 30 degrees F. or so.

It seems if the SWG is installed downstream of that, it will incorrectly sense pool temerature and adjust itself erroneously.

Would you recommend installing before or after the heater?

Dave S.

[tonyl]

Definitely after....the high concentration of chlorine gas will destroy the heater.

[waterbear]

Just about every SWG manual that I have ever read suggests placing them AFTER the heater

[duraleigh]

Yeah, guys, I agree, after the heater makes the most sense.

I am pretty sure they adjust Cl output based on the temp of the water, tho.

I can't figure out how it compensates for "heater on" water of maybe 110 or so and "heater off" water of around 80 or less?

Dave S.

[tonyl]

I believe the adjustment you're referring is for COLD water to prolong the life of the cell. COLD....is tough on the cell so the output is automatically adjusted with roughly 50 deg water or less. You won't notice a difference in 110 vs 80 degrees. My wife cranks our heater and I've never had any problems. Hope this helps, Tony

[duraleigh]

Hi, Tony,

Yeah, that explains that temp thing. Makes sense. Thank you.

Dave S.