Insulate your water heater and save fuel.
| Author/creator | United States |
| Format | Book |
| Publication Info | [Washington] : Dept of Energy, [1978?] |
| Description | 4 unnumbered pages : illustrations ; 22 x 10 cm. |
| Subjects |
| Series | DOE/OPA-0021 |
| General note | Feb. 1978. |
| GPO item number | 429-T-1 |
| Govt. docs number | E 1.25:0021 |
| Stock number | 20585 |