An Anode rod can extend your RV hot water heater's life. The anode rod corrodes itself and reduces the corrosion in your aluminum hot water heater. Simply replace your  half-inch drain plug with the annode rod.
RV Magnesium Anode Rod with Drain for Aluminum Water Heaters 4.5"  x 0.5" Camco

RV Magnesium Anode Rod with Drain for Aluminum Water Heaters 4.5" x 0.5" Camco

PayPal - $24.99 2h 11m
Suburban 232767 Magnesium Anode Rod Home Improvement Rv Water Heater Anode New

Suburban 232767 Magnesium Anode Rod Home Improvement Rv Water Heater Anode New

PayPal - $16.81 3h 34m
Aqua Pro RV Anode Rod 1 2" MPT 4-1 2" Long Magnesium 69718 for Atwood

Aqua Pro RV Anode Rod 1 2" MPT 4-1 2" Long Magnesium 69718 for Atwood

PayPal - $9.99 9h 31m
Aqua Pro 69717 9 1 2" Long Lead Free Magnesium Anode Rod with 3 4" Male Pipe Thr

Aqua Pro 69717 9 1 2" Long Lead Free Magnesium Anode Rod with 3 4" Male Pipe Thr

PayPal - $14.21 10h 4m
Camco RV 4.5" Magnesium Anode Rod w Drain - 1 2" NPT Atwood Aluminum Water Tanks

Camco RV 4.5" Magnesium Anode Rod w Drain - 1 2" NPT Atwood Aluminum Water Tanks

PayPal - $14.97 10h 20m
Camco RV 11553 Anode Rod,  Atwood

Camco RV 11553 Anode Rod, Atwood

PayPal - $28.65 10h 53m
Camco RV 11552 Anode Rod for Atwood - Bulk

Camco RV 11552 Anode Rod for Atwood - Bulk

PayPal - $27.15 11h 3m
21*320mm Magnesium Anode Rod RV Travel Heater Water Heating Anti-corrosion 1pc

21*320mm Magnesium Anode Rod RV Travel Heater Water Heating Anti-corrosion 1pc

PayPal - $0.01 11h 22m
3 4" Hot Water Heater Anode Rod For Suburban Magnesium  Defense Against Rust

3 4" Hot Water Heater Anode Rod For Suburban Magnesium Defense Against Rust

PayPal - $23.99 12h 19m
CAMCO RV WATER HEATER 9.5" ANODE ROD

CAMCO RV WATER HEATER 9.5" ANODE ROD

PayPal -
$7.68
$9.99
13h
Aqua Pro RV Anode Rod 3 4" MPT 9-1 2" Long Magnesium 69717 for Suburban

Aqua Pro RV Anode Rod 3 4" MPT 9-1 2" Long Magnesium 69717 for Suburban

PayPal - $9.49 13h 32m
Suburban 232767 Water Heater Anode Rod

Suburban 232767 Water Heater Anode Rod

PayPal - $19.33 13h 58m
Suburban 232767 Water Heater Anode Rod

Suburban 232767 Water Heater Anode Rod

PayPal - $18.00 14h 34m
Camco 11593 Magnesium Anode Rod for 10 Gallon Atwood Hot Water Heaters

Camco 11593 Magnesium Anode Rod for 10 Gallon Atwood Hot Water Heaters

PayPal - $43.31 14h 35m
Camco 11553 Magnesium Anode Rod - Fits Atwood Heaters

Camco 11553 Magnesium Anode Rod - Fits Atwood Heaters

PayPal - $21.49 14h 40m
Camco 11552 Anode Rod for Atwood Trailer

Camco 11552 Anode Rod for Atwood Trailer

PayPal - $20.11 14h 40m
Camco 11563 Aluminum Anode Rod

Camco 11563 Aluminum Anode Rod

PayPal - $16.55 14h 40m
Camco 11533 Anode Rod with Drain for Aluminum Water Heater

Camco 11533 Anode Rod with Drain for Aluminum Water Heater

PayPal - $34.22 14h 46m
Suburban 232768 Water Heater Aluminum Anode Rod

Suburban 232768 Water Heater Aluminum Anode Rod

PayPal - $31.00 14h 52m
Aluminum RV Water Heater Anode Rod 3 4" diameter 9-1 2" CAMCO MFG INC RV 11563

Aluminum RV Water Heater Anode Rod 3 4" diameter 9-1 2" CAMCO MFG INC RV 11563

PayPal - $25.99 15h 22m
Annode rod for hot water heaters.