As of 2015, shoppers can buy Apollo hot water heater replacement parts from Sears Parts Direct, an online department of Sears. Some of the available replacement parts include draft hoods, boxes, rings, nipples, dip tubes, plates, baffles, flue baffles, controls and manifold covers.
Additional Apollo hot water heater parts include burner assemblies, pilot tubings, thermocouples, pilot kits, burners, doors, outer doors, drains, relief valves, anode kits, access covers, access bolts, access gaskets, drip pans, pan bases, base stands, HTR stands and control knobs.
Replacement parts vary in cost. As of 2015, shoppers can expect to spend $85 for an HTR stand or $141 for a water heater combination valve, two of the most expensive replacement parts. On the inexpensive side of the spectrum, they should expect to spend only $5 for a thermocouple or $7 for a box.
As of 2015, Sears has diagrams of some models of Apollo hot water heaters to help shoppers assess which replacement parts they need. Also as of 2015, Expert Express, a plumbing, heating and air conditioning company from North Carolina, has an informational video on Apollo hot water heaters and their replacement parts available on YouTube. The company also has posted instructional YouTube videos on replacing or repairing specific elements of Apollo water heaters, such as thermal siphoning repair.