Folks I need your guidance.
I'm going to purchase a natural gas heater for my inground pool. It is an 18X36 with no deep end. It holds about 90,000 liters or 24000 US gallons. It seams that Raypak is the most recommended on the site. I noticed they carry two types a Low Nox and their regular model. Should I go with the regular and if so what size? One more thing, I'm in Canada and would like to extend my season by about 4 weeks (Bring temp up by 10 to 15 degrees farenheight).
Thanks on advance.