What is Needed to Add 100 lb Propane Tank to RV with Two 30 lb Tanks

Updated 12/22/2025 | Published 10/01/2024

Question:

I want to add a 100 propane tank to my camper that currently has 2 30 cylinders, to run the furnace and range. I would like to have the 100 tank and both 30 tanks connected to the crossover valve and not need a separate regulator, allowing me to have a total of 160 of propane to use. What do you suggest for this application?

asked by: James R

Expert Reply:

Hey James, to add a 100 lb tank to your two 30 lb tanks, I recommend the MB Sturgis Sturgi-Stay T-Fitting w Hose - Type 1 Valve - Quick Disconnect, Disposable Cylinder Ports # 103615. This will allow you to connect the red fitting to one of your tanks and the pigtail from that tank to the brass side of the T-fitting. Then you will use the POL side of the 6 foot hose to connect to your 100 lb tank and the quick connect end to the T-fitting. Make sure your quick connect fitting is open and you'll be all set for using your 100 lb tank.

expert reply by: Jameson C

Jameson C.

12/22/2025

Hey James, how did things go adding the 100 lb propane tank with the Sturgi-Stay T-fitting? Did the setup let you run all three tanks the way you wanted? Your update could make it easier for others planning a similar connection.