HEATER UNIT

Abstract

We have invented a new, original, and ornamental design for a heater unit. The following is a specification of the heater unit, reference being had to the accompanying drawings, which form a part hereof.

Claims

1. The ornamental design for a heater unit, as shown and described.

Description

[0009] The dashed broken lines illustrate portions of the heater unit that form no part of the claimed design.