| - | Features |
|---|---|
| #1 | Protects water heaters from overheating and over-pressurization |
| #2 | Fits directly into water heater |
| #3 | CSA and ASME listed, certified ansi z21.22 |
| #5 | Original part for: A.O. Smith, A.O. Smith Canada, American, GSW, John Wood, Kenmore, Lochinvar, Maytag, Mor-Flo, Penfield, Reliance, Sears, State Industries, U.S. Craftmaster, Whirlpool. Fits: Bradford White, General Electric, Rheem, Richmond, Ruud |