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    MasterTemp 400 won't stay lit

    Troubleshooting my MasterTemp 400. Kicks on, calls for heat, ignites (I can feel hot air coming out of the exhaust) but after 30 seconds or so the igniter goes off and the AGS light trips. I don't get any continuity on the AGS switch itself so thinking that's the problem, but then why would...
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    Tile coming off... recommendations?

    The tiles have been falling off my spa and am finally getting around to doing something about it. The rest of the pool looks OK for the moment. I'm guessing re-tiling the spa plus maybe a general cleaning is the best option? I don't know how likely it is that they'll be able to match the...
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    Pool Filter Questions

    My pool guy is telling me I need to replace my pool filter grids. My filter is an FNS Plus and from Googling around, I think this is what I need: https://www.amazon.com/Pentair-59023500-Complete-Assembly-Replacement/dp/B004W4TR1I He's wanting about $100 for installation plus the filter cost...
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    Which VSP?

    I have a WhisperFlo WFE-3 (this is 3/4 HP) for my kidney shaped pool with raised in-ground spa. I think my pool may be 9000 gallons or so? I'd like to replace it with a variable speed pump to lower my electric bill so I stopped by the local pool place and they're recommending the Intelliflo 2...
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    Spa Water Level - Check Valve & Bypass Observations

    My (raised) spa's level drops below the jets when the pool pump is off. From reading here and experimenting, I'm fairly certain this is the fault of the check valve as when I shut off the spa bypass and turn off the pump, the spa level does *not* drop. I also noticed that when I shut off the...
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    Newbie - Advice on leaking fill line valve...

    Hi everyone -- I have a fill line that's tied into my sprinkler system. There are two backflow prevention devices on the line -- the one closer to the pool is electric/solenoid and the one prior (and higher) is manual. The manually operated anti-siphon valve is leaking when open and so I'm...