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    What to replace Letro Jet Vac with?

    My Letro JetVac has done great service for about 18 years. But its no longer available, and parts are drying up. What's a good replacement? Here are the specs on my setup. Pool: 18X36, about 25,000 gallons. Square shape, radiused corners, one set of steps that would occasionally hang up the...
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    Raypak R226 Heater--Unitherm Governor (i.e. thermostat)

    Using the heater for the first time this year. Two related issues: 1. It makes a groaning noise when heating. 2. I got a HL 2 code twice, and the heater stopped heating for a few minutes, then resumed. Looking at the troubleshooting guide in the manual, and other online sources, HL2 code is...