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My TDD-2 was not chilling to the desired temperature, I replaced the thermostat prior, and that did not fix problem. I called a technician who came out and was able to verify that the freon was low. He also, said that it is pretty hard to determine a leak and that it may just need a recharge. He said I would know if it is a leak in about three months. The system ran for about 4 months and the symptoms are back again. I was charged a 180.00 fee for the recharge and diagnosis. I think this guy was pretty good, but don't know if I am in jeopardy of being charged an arm and leg for the revisit to fix the actual problem. I think my evaporator coil could be bad, I am not the expert, I could probably replace but I don't have the proper equipment to diagnose problem so, I am leaving this one to a technician. I bought this system at Superior Products in San Jose Ca. in 2006.

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Sealed systems can leak at the evap and/or the condenser. Charge ports on the compressor can develop a leak too. If a drier was sweated in and the Schrader valve was left in when it was being installed, there will be a leak there. Leak detectors now a days are electronic sensors and are more sensitive and safer to use.

Posted on Mar 13, 2017

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Posted on Jan 02, 2017

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My thermostat doesn't follow the schedule. The heat comes on 2 hours before the schedule.


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1) The "heat" cycle on a vehicle depends on the engine's operating temperature when "heat'' desired," as well as the "external temperature of the atmosphere; colder days will create "lower" internal temperatures for the vehicle's passenger compartment as related to the amount of cooling of the radiator fluid through the radiator.
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I have an older propane fryer tha will not cut off when desired temp is met. It holds about 2 to 2.5 gallons of oil. I think it is called a table top model. Any solutions?


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Are you sure it's actually reaching the desired temperature? You might want to put a thermometer in your oil and read it to make sure your oil is the desired temp before you go to the trouble of replacing your thermostat. If you need a replacement thermostat, we sell them, and you can call us at 888-542-5959. We would need model, and serial if you have it in order to price this part for you.
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My gl4 ariston the only way it will heat water is to reset it . It will heat water til it get hot and then you have to reset it to get the water hot again


Occasionally, the high temperature limit shut off device may trigger and shut the

system down. This occurs when water temperature exceeds 190° F and shuts off

power to the heating element. The shut off device may also trigger from a power

outage or electrical storm.

To reach the thermostat:

1. Pry off the round cover plate (V Fig. 3/1) from its right hand edge (W Fig. 3/1) with

a small flat-head screwdriver.

2. Remove the Phillips screw revealed beneath the round cover plate.

3. The cover (C Fig. 3/1) can now be removed by pulling out its left-hand edge. When

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4. Firmly press reset button (B Fig. 4). Reconnect power.

5. IMPORTANT: Check the operation of the thermostat, turn temperature dial from

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Hamilton Beach 87330 water cooler


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4. After 24 hours, turn the back switches ON and plug it in.
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