CONFIRM THE PART FITS
Collar 20172-21
Part #20172-21
Replaced by #9004610115
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Manufacturer substitution
This part replaces 20172-21. Substitute parts can look different from the original.
Online Price
$15.99
In Stock
For ZIP codes near Edit
This part fits
Top models using the same part
| Model Name | Model Number | Diagram Name |
|---|---|---|
| Model #FPSH50271 AO Smith gas water heater | FPSH50271 | Water heater |
| Model #FCG100244E AO Smith gas water heater | FCG100244E | Water heater |
| Model #FCG75250 AO Smith gas water heater | FCG75250 | Water heater |
| Model #FPSH40271 AO Smith gas water heater | FPSH40271 | Water heater |
| Model #FCG100250 AO Smith gas water heater | FCG100250 | Water heater |
| Model #FPSH50270E AO Smith gas water heater | FPSH50270E | Water heater |
| Model #FPCR50260E AO Smith gas water heater | FPCR50260E | Water heater |
| Model #FCG75251 AO Smith gas water heater | FCG75251 | Water heater |
| Model #FPCR50261 AO Smith gas water heater | FPCR50261 | Water heater |
| Model #FPSH40270E AO Smith gas water heater | FPSH40270E | Water heater |