Low flow in your spa or hot tub is most commonly associated with a dirty spa filter. If your spa heater won't heat, remove and clean the filter(s) rule out a pressure or flow rate problem. Low water level, a clogged pump impeller, closed valves, clogged pipes or blocked spa drain covers can also cause flow issues.
I bought a new hot tub pump a few months ago, but it stopped working – is there a. . On my Catalina Spa, everything seems fine as far as heat and all goes, .
Air locks are a relatively common problem in hot tubs, but they are simple to fix in. line pressure to protect the hot tub heater from coming on when the water is not. *Looking for basic hot tub pump terminology and troubleshooting, go here.
"My spa will not heat" is the number one complaint we hear, it accounts for. is working properly (i.e. spa is set in the heater/filter cycle and water is flowing from