Question about Bosch 2700ES Natural Gas AquaStar AquaStar 2700ES Tankless Water Heat
Hi. Open up the mechanical space where the working parts, and the flame are all located. Carefully clean everything using a vacuum cleaner and a tooth brush. Most of the time, dust and dirt are the culprits. J.
Posted on Sep 07, 2010
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Posted on Jan 02, 2017
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Jul 26, 2014 | Bosch & Tankless LP Hot Water Heater
Double check your incoming power supply to the heaters main control panel with a voltmeter.
Inspect the power supply inlet fuses and replace if necessary.
Remove and clean the inlet water supply filter; impeded water flow will not activate the flow switch.
Measure the water flow from each hot-water faucet. You need at least .75 gallons a minute.
Inspect the water flow control turbine. Mineral buildup on the blades will stop it from spinning.
If this is a new installation, make sure that the hot and cold-water lines are not crossed.
Test your plumbing for a cross connection. Turn off the water supply to you heater. Open all the hot
water faucets. If you get a steady steam of water from any of them, you have a cross connection that needs to be remedied. When all else fails, Rheem's customer support team is great. They have always help me with the most technical questions, even on older and outdated products.
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