What percentage of Zinc is in the rod?

I dont know. It took the sulfur smell out of the hot water. Have had it in for 2 years now and its still working. We have well water. I would replace it with the same rod when its necessary

Will this fit my pr650x0ds water heater?

I don't know that particular water heater but this anode rod is in several sections with a cuttable steel cable in between the sections. My water heater is a backup for one bathroom and is quite small but I was able to cut the sections so it fit quite readily.

Will this fit my ao smith model number gcg 50401 propane water heater?

yes If your replacing a hex head anode that is visible. mike

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Water Connection, Aluminum Zinc Anode Rod for Hot Water Heater, Flexible Aluminum Anode Rod, Get Rid of Rotten Egg Smell in Hot Water, Hex Head ¾ NPT x 44" Segmented, Easy Installation in Small Areas

Water Connection, Aluminum Zinc Anode Rod for Hot Water Heater, Flexible Aluminum Anode Rod, Get Rid of Rotten Egg Smell in Hot Water, Hex Head ¾ NPT x 44" Segmented, Easy Installation in Small Areas

Product ID: 35358959

🔧44" flexible segmented design for tight spaces

🛠️3/4" thick diameter for longer protection

🛡️Military-grade A420 aluminum-zinc alloy

Description

🛠️ Upgrade your water heater’s defense—because your home deserves military-grade protection!

ROBUST READY - Thicker 3/4" diameter means more sacrificial material, extending your water heater’s lifespan significantly.
ODOR FREE HOT WATER - Say goodbye to that rotten egg smell with our advanced anode rod that neutralizes sulfur and hydrogen sulfide.
LIFETIME PEACE OF MIND - Backed by a lifetime warranty and trusted by American households since 1996—join the corrosion-free elite.
CORROSION RESISTANT ARMOR - Crafted from MIL-A-18001K/W certified aluminum-zinc alloy for unbeatable durability and water heater protection.
FLEXIBLE FIT EASY INSTALL - 44-inch segmented design fits snugly in tight spaces with just 12" clearance—no hassle, no fuss.

The Water Connection Aluminum Zinc Anode Rod is a flexible, 44-inch segmented rod made from military-grade A420 aluminum-zinc alloy, designed to prevent corrosion and eliminate unpleasant sulfur odors in hot water heaters. Its thick 3/4" diameter offers superior sacrificial protection compared to competitors, fitting most standard water heaters with minimal clearance. Easy to install and backed by a lifetime warranty, this rod extends your water heater’s lifespan while ensuring odor-free, clean hot water.

Specifications

ASIN	B01LT9977W
Best Sellers Rank	#475,858 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,189 in Water Heater Replacement Parts
Customer Reviews	4.6 4.6 out of 5 stars (396)
Date First Available	October 22, 2016
Item Package Quantity	1
Item Weight	1.92 pounds
Item model number	AR139
Manufacturer	The Water Connection
Package Dimensions	9.41 x 5.24 x 1.73 inches
Part Number	AR139
Style	Flexible / Segmented

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