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The TH140-28-01 7-day programmable thermostat has an LCD screen to display temperature, time, day, mode and heating command. The unit switches 5A @ 24V and requires a 2 wire installation (R, W). It provides relay switching for 15 minute or 20 minute cycles for precise temperature control ± 0.9°F. It is ideal for hot water heating due to pump protection feature. It is equipped with input for use with CT240-01 telephone controller.
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The Smartest DIY Home Improvements
