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    What are these jumpered connectors on the outside of my Jandy Laars LT400N-L heater?

    I'm having intermittent issues with my Jandy Laars LT400N-L heater. It always turns on but runs for a random amount of time before quiting -- each time throwing either a 'Pressure Switch" error or a "Hi Limit" error. I searched the forum and found this post so I decided to inspect the limit...
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    This morning the spa turned on instead of the pool

    I double checked all the program groups and everything is good, controller time is correct, etc. Any idea why the spa turns on but the pool won't? Looking at the equipment I only see one valve actuator turn (the one close to pool pump) when I cycle through various modes (pool, spa, spa fill...
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    Why is calculating run-time for my new VS motor so difficult?

    Just replaced a 1-speed motor with a vs motor but kept the same pump. After a lengthy chat session I was able to get absolutely nowhere with INYOpools regarding how long I should run the motor to filter the pool. Pool is approx. 25,000 US gallons. Here is the oringal motor + pump: New motor...
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    Will this setup work with a 2 speed motor?

    I'm trying to help out a family member that needs to replace their current pump motor. Their current setup looks to be using a 1 speed 2HP Pentair pump that filters a pool with about 25000 gallons capacity. Can they simply buy a 2 speed 2HP motor and install it as a drop-in replacement? I...
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    Switching to web or app based controls

    Our home is located in Palm springs, CA but we're there only a few months per year. The pool system is always running & is maintained twice per week by a local service company. Quite often we have family members staying at the house throughout the year (while we're away). During this time there...
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    Jandy Laars LT no power

    Hoping to get some help on our non-working Jandy Laars LT heater! It has been working fine, no issues or signs of trouble; I even keep it (reasonably) clean. We last used it a couple days ago without issue. Tonight, I turned on the filter and heater via the remote and noticed the water was...