Recent content by millerwd

  1. M

    Polaris 380 - Asleep at the wheel

    Also check the water delivery upstream of the cleaner: 1. Check inlet filter. It must be free of debris 2. Check the pressure control valve. The black or red vale that tees into the pool connection. This valve fails open every few years. 3. Check the pump for leaks or a clogged impeller. I'm...
  2. M

    Laars XL pool Heater lights for only 5 seconds

    Thank you for the assistance. I checked all the sensors and even ordered a µA meter to confirm the 5-7 µA flame current. Cleaned the burners etc. to get a good flame current. In the end a new ignition controller worked like magic. That was the last item on my list since the flame actually...
  3. M

    Laars LT 250 does not stay lit

    Thank you for the assistance. I checked all the sensors and even ordered a µA meter to confirm the 5-7 µA. Cleaned the burners etc. to get a good flame current. In the end a new ignition controller worked like magic. That was the last item on my list since the flame actually ignited with the old...
  4. M

    Laars LT 250 does not stay lit

    Having a similar issue with Laars LT 250 (natural gas). It has worked fine for 13 years. This year it started igniting intermittently. Now it will not stay lit at all. The surface ignitor glows, the gas valve clicks open, the gas whistles through the orifices, the burners light, but the valve...
  5. M

    Laars XL pool Heater lights for only 5 seconds

    Having a similar issue with Laars LT 250 (natural gas). It has worked fine for 13 years. This year it started igniting intermittently. Now it will not stay lit at all. The surface ignitor glows, the gas valve clicks open, the gas whistles through the orifices, the burners light, but the valve...
  6. M

    Your thoughts: Old Jandy RS4 and Hayward Ecostar VSP

    I installed the Hayward Ecostar SP3400VSP about 6 months ago, using my older Jandy RS Aqualink system. I didn't have time to complete the control system at the time (only attached it to the filter pump relay for on/off control) and setting various pump speeds manually. First, search the web...