We do have some smaller heater pads such as # 277-000161 at 13 x 3 inches or # 277-000162 at 8 x 3 inches. The larger one draws 0.62 amps at 13.5 volts. The smaller one draws 0.3 amps at 13.5 volts. view full answer...
We don't carry any kind of blank that could be screwed on but you could a hard plastic sheet from your local hardware store and cut it to fit over the hole and then drill out the correct sized hole for the Mighty Cord Replacement RV Power Inlet # A10-30INVP in it. with this method you could use the same screw holes that you already have as well.
I recommend using some butyl tape # AL28FJ and non-sag sealant # AL28KV on the plastic blank to prevent any water from leaking in and damaging... view full answer...