Top 5 Best Water Heater Insulation Blanket 2025 - blog It is made with a vinyl-faced fiberglass material. Vinyl backed fiberglass insulation blankets are designed for gas, oil or electric water heaters up to 60 gallon size , Improves Heater efficiency 3-Inch tall by 48-inch wide by 75-inch tallKeep your unit insulated with the Thermwell SP57/11C R10 60-Gallon Water Heater Blanket. Fits 60 Gallon Tank SP57-11C Water Heater Blanket R10 Energy Saving Heater Cover 3 in. x 48 in. x 75 in. insulation blanket for water heater applications Water heater wrap fits most water heaters up to 60 gallon in size Reduces standby heat losses Easy to install with vinyl tape (included 3” Thick x 48” x 75”, R10 Fits up to 60-gallon water heater. Adjusting hot water heater temperature for lower bills Package contains a roll of plastic tape
