EPH CONTROLS eTRV-HW Smart Hot Water Thermostat Instruction Manual

EPH Controls eTRV-HW Manual: Questions and Answers

EPH Controls eTRV-HW specifications

Full specifications, page 5

What do the up and down buttons do on EPH Controls?

They define the temperature setpoint for the hot water valve. Instruction Manual, p. 7

How do I replace batteries in my EPH Controls eTRV-HW?

Press and hold the release mechanism on the side while pulling the cover up to slide it off.

1. Remove and replace the 2 x AA batteries.
2. Use good quality batteries to ensure correct operation.
3. Slide the cover back on to the eTRV-HW. Instruction Manual, p. 14

What does the E4 error code mean on EPH Controls?

E4 indicates a motor issue. Check the batteries first. If E4 still displays after premium batteries are used, the device needs to be replaced. Instruction Manual, p. 15

EPH Controls eTRV-HW compared with other EPH Controls thermostats

More EPH Controls thermostat manuals

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