Looking at Jandy Jxi gas heater, it says exhaust must be 10ft away from any air intake. Curious if spa blower is considered air intake for this, or if it just means home air intake. I emailed Jandy and they sent link to instructions so obviously that wasn’t helpful.
Spa blower next to gas heater
- Thread starter czb182
- Start date
- Jul 21, 2013
- 65,848
- Pool Size
- 35000
- Surface
- Plaster
- Chlorine
- Salt Water Generator
- SWG Type
- Pentair Intellichlor IC-60
Tell us the story. Are you building a pool? Do you have other options for placing the blower or heater?
It is not optimal. You are not going to be breathing in the heater exhaust captured by the blower. But I am not sure I want the hot heater exhaust being blown into the spa while I am sitting in it.
It is not optimal. You are not going to be breathing in the heater exhaust captured by the blower. But I am not sure I want the hot heater exhaust being blown into the spa while I am sitting in it.
Building pool. They start the equipment pad next week and was just thinking about it. I’ve seen previous installations by PB and they usually elevate the blower above equipment but it’s within several feet of heater, just got me thinking.
Was thinking maybe they could plumbing the exhaust up several feet , but I think that’s costly. Maybe putting blower low down but worry about debris. Not much space to move vertically as our HOA says everything has to fit within solid enclosure which mine is 8 foot vinyl privacy fence around pad
Was thinking maybe they could plumbing the exhaust up several feet , but I think that’s costly. Maybe putting blower low down but worry about debris. Not much space to move vertically as our HOA says everything has to fit within solid enclosure which mine is 8 foot vinyl privacy fence around pad
- Jul 21, 2013
- 65,848
- Pool Size
- 35000
- Surface
- Plaster
- Chlorine
- Salt Water Generator
- SWG Type
- Pentair Intellichlor IC-60
Put the heater exhaust on one end of pad and blower on other end. Give it as much separation as you can.
Blower needs to be elevated well above the water level and equipment so water can never get up the pipe to to the blower.
Blower needs to be elevated well above the water level and equipment so water can never get up the pipe to to the blower.
I asked them to put blower on other side of pad, so maybe 8 feet to side. They elevated it about 6 feet above pad, which is already about 5 feet above water level, so I think I will ask them to lower the blower closer to ground. I think the blower only needs to be at least one feet above water level. They also put a 2 way valve right below blower which I found odd. Not sure why I would close valve
- Jul 21, 2013
- 65,848
- Pool Size
- 35000
- Surface
- Plaster
- Chlorine
- Salt Water Generator
- SWG Type
- Pentair Intellichlor IC-60
The 2 way valve lets you moderate the air volume into the spa if the air is blasting the water right out of the spa.
- Apr 10, 2018
- 6,469
- Pool Size
- 18375
- Surface
- Plaster
- Chlorine
- Salt Water Generator
- SWG Type
- CircuPool RJ-45 Plus
...and closing the valve should allow you to run the spa jets with no bubbles. You could circulate the water in the spa without additional aeration.
Gotcha. Throttling might be useful. I thought if blower is off should be no bubbles? It still pulls air through if no blower on? If so seems like a great idea would be a three way valve one going to just open pipe with bell opening. Might be enough bubbles without running blower and work better than pulling air through off blower
- Apr 10, 2018
- 6,469
- Pool Size
- 18375
- Surface
- Plaster
- Chlorine
- Salt Water Generator
- SWG Type
- CircuPool RJ-45 Plus
Notice above I used the term "should." 
I would guess not all spas are plumbed alike. I can tell you that cutting off all air to the vent tube on my system eliminates bubbles. My blower allows air to pass through with or without the check valve attached, so I get bubbles through the jets with the blower off. The blower on adds lots more bubbles.
I installed a tee with a two-way valve in my system that allows me to bleed off air pressure to regulate the amount of bubbles in the spa without restricting air flow from the blower. My concern with a two-way valve is that closing it would restrict the air flow from the blower. I'm not sure if this would have any negative effects on the blower. A three-way valve would probably be best.
I would guess not all spas are plumbed alike. I can tell you that cutting off all air to the vent tube on my system eliminates bubbles. My blower allows air to pass through with or without the check valve attached, so I get bubbles through the jets with the blower off. The blower on adds lots more bubbles. I installed a tee with a two-way valve in my system that allows me to bleed off air pressure to regulate the amount of bubbles in the spa without restricting air flow from the blower. My concern with a two-way valve is that closing it would restrict the air flow from the blower. I'm not sure if this would have any negative effects on the blower. A three-way valve would probably be best.
I have the 2.0hp if same blower, so I will expect the same. I’m going to ask support if I should bleed air or restrict
Company said venting via 3 way will be very noisy and suggested drilling holes in pipe below blower until desired bubble level
He said creating additional back pressure via 2 way could potentially cause blower to over heat , so I guess that’s not a good way
- Jul 21, 2013
- 65,848
- Pool Size
- 35000
- Surface
- Plaster
- Chlorine
- Salt Water Generator
- SWG Type
- Pentair Intellichlor IC-60
- Apr 10, 2018
- 6,469
- Pool Size
- 18375
- Surface
- Plaster
- Chlorine
- Salt Water Generator
- SWG Type
- CircuPool RJ-45 Plus
Seems like this would be just as loud.
If the pool builder is will do it, have him change the 2-way to a 3-way valve. This will give you more options, including the ability to bleed off air and shut down the vent completely when desired. You may find you like the full effect of the blower. You can always add a muffler in the future if it's too noisy. When bleeding air, mine is no more noisy than the blower.