Timer: Can be programmed for 7-day operation to save energy during off-hours.

For years, Arthur had treated the water heater like a sleeping beast: don't touch it, and it won't bite. But the beast had finally woken up, or rather, refused to wake up. Cold showers were a young man's game, and Arthur was well past his prime for icy awakenings.

Requirements: Requires an isolation valve prior to the unit (not included in the standard kit).

• User guess: "The heating elements are dead."
• Manual solution (Page 18): "Check the flow restrictor in the shower head. Unit requires 0.5 GPM to activate. Your low-flow showerhead is starving the heater." Remove the restrictor. Problem solved.

Annual Anode Inspection: The anode rod is a "sacrificial" piece of metal that corrodes so your tank doesn't. Check it once a year. If the wire core is visible, replace it immediately.Full System Flush: Don’t just drain a gallon of water. Turn off the power/gas, hook up a hose, and run the water until it flows crystal clear.Pressure Relief Valve (T&P) Test: Manually lift the lever on the T&P valve to ensure it releases water and reseals. If it leaks after the test, it’s time for a new valve. Conclusion

Part 2: Why Most People Hate Their Manual (And Why They Are Wrong)

Let’s address the elephant in the room. A quick scan of Amazon or Home Depot reviews shows comments like: