Redring AE125, AE115 Using an Ohmmeter to check for Premature element failure, Water flow too low

Using an Ohmmeter to check for Premature element failure

LEFT MODULE Top View RIGHT MODULE Top View

Meter probes	Ohm Reading			Meter probes	Ohm Reading
Outer to Outer	10.5	± 0.5	Ohms	Outer to Outer	10.5	± 0.5	Ohms
Middle to Middle	11.5	± 0.5	Ohms	Middle to Middle	11.5	± 0.5	Ohms
Inner to Inner	15.0	± 1 Ohms		Inner to Inner	21.0	± 1 Ohms

Note: On AE115 model, there is no middle element.

		Water flow too low
There are	Obstructions in the water path can restrict the flow of water through the heater.
restrictions in the	Verify the heater’s inlet filter screen, faucet aerators, showerheads and whole
plumbing	house filters are clear of debris. Verify proper flow on the outlet side of the heater
	with the hot water pipe disconnected. Maximum flow rates for each unit are as
	follows. AE115 = 2.3gpm, AE125 = 3.5gpm.
Water supply	Verify incoming water supply is at least 30psi. For people on well systems, the
pressure too low	recommended pressure range is 30-50psi.
Outlet shut-off	Adjust installer supplied outlet valve as described below:
valves are set too	∙	Completely open both installer supplied inlet and outlet shut-off valves at the
low	∙	heater. (if none installed, install before proceeding)
		Completely open hot water on the highest flowing hot water fixture served by
	∙	the heater (i.e. bathtub).
		Slowly close the outlet shut-off valve, slowing the water flow rate until the
		temperature at the hot water faucet corresponds to the values given on
		Graph 1 on Page 8 of the manual, or desired water temperature is reached.

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