Atwood Water Heaters, according to the company website, are 95% servicable from the exterior door, and Atwood water heaters have a high tempreature limit switch, thermostat, pressure and temperature relief valves to prevent problems. The Atwood heater tank is made of lightweight aluminum and therefore an anode rod is not necessary. Atwood hot water heaters are available in electic, gas, and electric/gas combo units in 6 and 10 gallon models.
Atwood 92249 Electric Water Heater Replacement Parts 110 VAC Element Gasket Kit

Atwood 92249 Electric Water Heater Replacement Parts 110 VAC Element Gasket Kit

PayPal - $26.46 41m
Atwood Electric Water Heater Replacement Parts - 110 VAC Element Gasket Kit

Atwood Electric Water Heater Replacement Parts - 110 VAC Element Gasket Kit

PayPal - $22.42 3h 32m
  RV Water Heater,  6.2 Gal. LP Gas - ATWOOD

RV Water Heater, 6.2 Gal. LP Gas - ATWOOD

PayPal - $99.95 5h 50m
Atwood 92679 Gasket for 91580 Heating Element Water Heater Service Part

Atwood 92679 Gasket for 91580 Heating Element Water Heater Service Part

PayPal - $9.99 6h 29m
Atwood 91606 Water Heater Spark Probe Service Kit New

Atwood 91606 Water Heater Spark Probe Service Kit New

PayPal - $37.16 8h 38m
Atwood RV 96121 Water Heater - NEW! - In Stock - Warranty

Atwood RV 96121 Water Heater - NEW! - In Stock - Warranty

PayPal - $666.73 10h 56m
Atwood RV 96117 Water Heater - NEW! - In Stock - Warranty

Atwood RV 96117 Water Heater - NEW! - In Stock - Warranty

PayPal - $528.42 11h 6m
ATWOOD WATER HEATER PART 91447 ECO-THERMOSTAT SERVICE KIT CAMPER RV MOTORHOME

ATWOOD WATER HEATER PART 91447 ECO-THERMOSTAT SERVICE KIT CAMPER RV MOTORHOME

PayPal - $13.74 11h 35m
DOMETIC ATWOOD EHM11 WATER HEATER WITH HEAT EXCHANGER

DOMETIC ATWOOD EHM11 WATER HEATER WITH HEAT EXCHANGER

PayPal - $339.99 11h 49m
Atwood RV 96110 Water Heater - NEW! - In Stock - Warranty

Atwood RV 96110 Water Heater - NEW! - In Stock - Warranty

PayPal - $462.14 11h 52m
Atwood Asm GH6-8E Sp Water Heater 96136

Atwood Asm GH6-8E Sp Water Heater 96136

PayPal - $772.99 11h 54m
Atwood Water Heater,  Elect 11gal 93882

Atwood Water Heater, Elect 11gal 93882

PayPal - $562.99 11h 55m
Atwood Water Heater Assembly G10-3E, SP 94191

Atwood Water Heater Assembly G10-3E, SP 94191

PayPal - $825.99 11h 55m
Atwood Spark Probe For Water Heater 91606

Atwood Spark Probe For Water Heater 91606

PayPal - $42.99 11h 55m
Atwood Water Heater,  Elect 6gal 93891

Atwood Water Heater, Elect 6gal 93891

PayPal - $433.99 11h 57m
Atwood Water Heater,  Gc10a-2 94186

Atwood Water Heater, Gc10a-2 94186

PayPal - $660.99 12h 2m
Atwood XT 6 Gallon Gas Electric Water Heater 90071

Atwood XT 6 Gallon Gas Electric Water Heater 90071

PayPal - $923.99 12h 9m
ATWOOD WATER HEATER

ATWOOD WATER HEATER

PayPal - $417.00 12h 29m
Atwood Water Heater Parts Snap Grill For All Water Heater 92640

Atwood Water Heater Parts Snap Grill For All Water Heater 92640

PayPal - $11.99 12h 30m
Atwood Water Heater Parts Relay Service Kit 93849

Atwood Water Heater Parts Relay Service Kit 93849

PayPal - $10.99 12h 37m
Atwood water heater model numbers include GC6A-10E, GC6AA-10E, G6A-2, G6A-3, G6A-6, G6A-6P, G6A-7, G6A-7P, G6A-4E, G6A-6E, G6A-7E, G6A-8E, GC6AA-7, GC6AA-7P, GC6AA-8, GC6AA-8P, GC6A, GC6A-3, GC6A-6, GC6A-7, GC6AA9, GC6AA9P, GH6-4E, GH6-6E, GH6-7E, GH6-8E GCH6-4E,GCH6-6E, GCH6-7E, GCH6-4E, GCH6-6E, GCH6-7E, GCH6A-7E, GCH6-8E, GCH6A-8E, GC6A-7E, GC6AA-7E, GC6AA-8E, GC6AA-9E, G10-1, G10-2, G10-1P, G10-2P, GC10-1, GC10-2, GC10-2P, GC10A-2,GC10A-2P, GC10A-3, GC10A-3P, G10-1E, G10-2E, G10-3E, GH10-1E, GH10-2E, GH10-3E, GC10A-3E, GC10A-2E, GC10A-1E, GC10-1E, GC10-2E, GCH10A-3E, GCH10A-2E, GCH10A-1E