Atwood Water Heater Thermal Cut-Off Switches

Thermal Cut-Off Switches

ATWOOD · RV WATER HEATER PARTS

Atwood Thermal Cut-Off Switches

1 Atwood thermal cut-offs for RV water heaters. One-time safety fuse that opens on overheat.

Shop Thermal Cut-Off Switches Repair Guide

✓ FIT CHECK

Not sure which part fits? Send us your model and serial number from the data plate and we’ll confirm it before you order.

Shop by part number

Dometic/ Atwood 93866 RV Water Heater Thermal Cut-Off Kit (ECO)

Part # 93866Thermal Cut-Off Kit →Fits G6A-7 & G6A-8E, GH6-7 & GH6-8E, GC6AA-8, GC6AA-9E & GC6AA-10E, GCH6A-7E, GCH6A-8E, GCH6A-9E & GCH6A-10E +3 more

Which thermal cut-off (ECO) fits my water heater?

Part #	Fits these models
93866	G6A-7 & G6A-8E, GH6-7 & GH6-8E, GC6AA-8, GC6AA-9E & GC6AA-10E, GCH6A-7E, GCH6A-8E, GCH6A-9E & GCH6A-10E, G10-2 & G10-3E, GC10A-2, GC10A-3E & GC10A-4E, GCH10A-2E, GCH10A-3E & GCH10A-4E

Not listed? Send us your model and serial number.

Signs it’s time to replace

Heater quit after an overheat and won’t restart
Open circuit on the cut-off when tested cold

Tip: Find out why it tripped (stuck thermostat, low water) before replacing it.

Guide: Atwood / Dometic thermostat and ECO: test and replace

Common questions

Which thermal cut-off (ECO) fits my Atwood water heater?

Find your model in the table above, or match the part number printed on your old part. Several parts changed at serial number breaks, so send us your model and serial number if you are unsure.