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Marko
Reviewed in the United States on August 20, 2024
After MUCH research I just bought an AO Smith, 50-gallon, 40,000 BTU, natural-draft water heater. I was surprised when it arrived with what has heretofore been the Bradford-White anode system, i.e. the anode rod is combined with the hot water outlet assembly.One of the reasons that I chose this water heater was because it had a 3rd fitting on top of the tank for Smith's "CoreGuard" anode rods. Fortunately, it DOES still have the extra threaded fitting on top of the tank, so that the safety valve can be mounted there instead of part-way down the side of the unit. Now, the factory rod attached to the hot-water outlet is something like 44 inches long, so it should last quite a while in "good water" but of course it is impossible to replace unless you have 4 feet of clearance above the installed position of the water heater... Divorced anode-rod-only fittings can use segmented replacements that only require 12-18 inches clearance.So, with a long 1/2-inch breaker bar I was able to remove the factory plug from the outlet on the side of the heater, mount the over-temp/pressure safety valve there, and install an 'auxiliary' anode rod in the top, rear fitting. At the length of THIS rod, I only needed to cut off a couple inches with a hacksaw to fit it into the top of the tank (remember that magnesium dust is highly flammable...)Thus, going forward, I will able to check the shorter rod for the health of the heater and replace it easily.
Applewood
Reviewed in the United States on February 28, 2024
This anode rod was purchased to replace the original rod in an AO Smith 40-gallon gas water heater model G6-S4040NVR 400 purchased 4 years ago. The rod was a perfect replacement for the original one in the water heater.A couple of notes about the replacement process:1. The original anode rod was very difficult to remove. I had to use an air-powered impact wrench (980 ft-lbs reverse torque) hammering away for nearly 5 minutes before it was able to loosen the original rod. Once the original rod was loose, pulling it out of the water heater was a challenge due to the degraded state of the rod material being difficult to fit through the 1-inch hole at the top of the water heater. With a little fishing it was eventually able to come out. Probably, if I had replaced this earlier than 4 years, it would have been much easier to extract.2. The new rod is a solid 29-inch bar. You will need to ensure sufficient clearance above the water heater to insert this rod. The original, degraded bar can likely be bent or cut in pieces when removing if there isn't sufficient clearance, but the new rod will need plenty of clearance.This is a clean, straight, perfect fitting anode rod. Very pleased with the relative ease in doing the replacement. So far I have not noticed any negative effect to the smell of the hot water. Expecting that this will help extend the life of the water heater.
SAH
Reviewed in the United States on November 20, 2024
Our handyman installed this and it is exactly what he told me to order.
Bender
Reviewed in the United States on November 16, 2024
Good part. Not sure about life span yet.
Steve and Laura Andrews
Reviewed in the United States on October 30, 2024
Works fine, but won't last as long as OEM. Could be better for applications where heater is closer to ceiling.
Jeremy F.
Reviewed in the United States on May 13, 2023
Prefect replacement for my 50 gallon AO Smith electric hot water heater. You’ll need to dig through the insulation to find the old rod and use a breaker bar to get it out.
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