Marc1 Posted May 27, 2018 Report Share Posted May 27, 2018 I checked my spa last night only to discover that it was about 1/3 empty. It is a 2007 Sundance Majesta. Upon removing the right front panel, I discovered that when power was turned on to the unit - but no pumps were turned on - water was pouring out of what looks like some sort of relief valve hose on the upper right side. The hose continues down to the top of the drain valve on the bottom left. I suspect this means there is a problem somewhere else, causing this pressure valve to leak. Any ideas, please? Thanks. Quote Link to comment Share on other sites More sharing options...
Marco Pulone Posted May 28, 2018 Report Share Posted May 28, 2018 that is a mazzei injector, for an ozonator. if your spa does not have an ozonator, it either used to or could have one added. it may be clogged, resulting in a water backup, causing water to spew out. Quote Link to comment Share on other sites More sharing options...
alaska_guy Posted May 29, 2018 Report Share Posted May 29, 2018 If your tub is anything like mine, this is a drain line for a low area in your tub. After getting a diagram for my tub it looks like 1/4" lines like this are used for draining low areas of the tub that simply using the drain itself wouldn't normally drain. Look in the area inside the tub for a small drain nipple/hole. You can cap this drain line off if you want. It won't hurt the tub. Quote Link to comment Share on other sites More sharing options...
Marco Pulone Posted May 29, 2018 Report Share Posted May 29, 2018 the check valve has failed on your Ozone injector. it will need replacement, or you can remove it. this is NOT a drain, do NOT cap it off unless you will never use ozone in your tub. Quote Link to comment Share on other sites More sharing options...
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