Change in Atwood drain plug size?
I have a 2005 Dutchmen Lite 18B and the drain plug was spraying water. IT has the Atwood water heater. I bought the replacement plugs at the dealer, but they seem a tad too big to fit. Any effort to s...
Forum Discussion
Atwood drain hole is 1'2" NPT
Hex head has changed sizes.........7/8" or 15/16" socket
Should be able to start using fingers until hand tight then just snug up with a socket. Tapered pipe threads.
You can easily 'chase' the drain hole threads by screwing in a 1/2" NPT pipe nipple. Cleans/straightens threads.
Nylon is used due to temperature rating.
PVC is not high enough temp rating (never use) and CPVC just meets temp rating (OK for emergency until OEM nylon can be found)
Hex head has changed sizes.........7/8" or 15/16" socket
Should be able to start using fingers until hand tight then just snug up with a socket. Tapered pipe threads.
You can easily 'chase' the drain hole threads by screwing in a 1/2" NPT pipe nipple. Cleans/straightens threads.
Nylon is used due to temperature rating.
PVC is not high enough temp rating (never use) and CPVC just meets temp rating (OK for emergency until OEM nylon can be found)
