mkoester
September 8, 2014, 11:40pm
1
These pipes are protruding out the side of a pool deck near a spa/hot tub. What is their purpose?
kjones5
September 9, 2014, 12:54am
2
Did someone steal the pool pump?
gfricke
September 9, 2014, 12:58am
3
Vent stack for the spa blower.
wsmith3
September 9, 2014, 6:34am
4
Is that a guess or knowledge?
shord
September 9, 2014, 9:40am
5
They definately appear to be vent stack pipes. They allow the jet pump to suck in air into the spa return and increase the water speed (air moves easier than water.) To verify, turn on the spa motor and you should hear air sucking in these pipes. Cupping your hands over them while running should stop the bubbling effect inthe spa and pool seat jets.
wsmith3
September 9, 2014, 11:58pm
6
shord:
They definately appear to be vent stack pipes. They allow the jet pump to suck in air into the spa return and increase the water speed (air moves easier than water.) To verify, turn on the spa motor and you should hear air sucking in these pipes. Cupping your hands over them while running should stop the bubbling effect inthe spa and pool seat jets.
Excellent way to verify. Also I would probably recommend a screen on the intakes.
mkoester
September 10, 2014, 1:09am
7
Thanks. One did have a screen.
gfricke
September 10, 2014, 3:22am
8
Knowledge, otherwise I wouldn’t have taken the time to reply.
pcampbell
September 11, 2014, 2:15am
9
Also, likely to be a suction relief vent in that mix.
