Since the GVWR of your 2002 Coachman Catalina 24 5th wheel is 11500lbs your trailer have the # 11 Torflex 4100-6000lb axles or # 12 5000-7200lb axles so I recommend double checking the information on your axle tag to confirm the model number of your axles.
If you have the # 11 axles you will need the Torflex Lift Kit - Tandem Axle - 2-7/8" Lift # K71-724-02, and if you have the # 12 axles you will need the # K71-725-02 instead as long as your axles do not have the 3" high lift brackets... view full answer...
My suggestion is to consider taking the opportunity to upgrade to tankless system. I suggest the Furrion Tankless Water Heater, # FR68SR as this would be close in dimensions to what you have including door size, which is 18"x18". This is designed to replace 4 - 6 gallon water heaters and has a wall mounted controller. The tankless design has a heating capacity of 2.4 gallons per minute with a vortex system that mixes hot and cold water to eliminate fluctuations and reduce the risk of hot... view full answer...
If you have 12V power present then the MaxxFan Deluxe Roof Vent w/ 12V Fan # MA00-07000K is a great option as a replacement for your 2005 Coachmen Catalina Fifth Wheel. This fits the standard 14" x 14" cutout and just requires 12V power and ground connections to operate.
Attached is a review video for you to check out! view full answer...
We do have something for you. I was able to locate the owners manual for your 2000 Coachman Catalina 5th wheel, which told me that Lippert is the partner they use for their landing gear. Unfortunately they do not tell you what system exactly is used or measurements, this is not uncommon as they do not always use the same system for everything. It often comes down to availability.
Landing gear jacks are often interchangeable with each other so you would need to look at the bracket stop... view full answer...