Camco 59113 RV Propane Supply Splitter | 4-Port Tee

The Camco 59113 is a four-port brass tee that solves a common motorhome problem. You've got a permanently installed propane tank feeding your furnace, fridge, water heater, and stove, but you want to run one more thing. Maybe a portable grill at the campsite. Maybe a fire pit. Maybe you just want a spare cylinder in the loop so a long weekend doesn't end with a cold shower. This little brass fitting is how you tie all of that into your existing system.

Here's how it works. The tee has four ports, each with its own thread type, so it sits between your tank and your gear and gives you extra places to connect. Port A is an excess-flow soft nose Prest-O-Lite (POL) fitting, the classic male connection on the tank side. Port B is a female Prest-O-Lite (POL) port. Port C is a 1 inch-20 male throwaway cylinder thread, the same thread you'll find on the little one pound green bottles and most portable appliance hoses. And Port D is a 1/4 inch inverted flare, which is what a lot of hard-plumbed RV lines use. Four different connections, one brass block.

A quick word on matching the ports to your gear. The two POL fittings, the excess-flow male soft nose and the female side, are the older large-nut connections you'll recognize from older tanks and hard-plumbed coach lines. That excess-flow feature on Port A is worth understanding. If a downstream line ever ruptures and gas starts rushing out faster than normal, the excess-flow check restricts the flow instead of dumping your whole tank. The 1 inch-20 port is the modern disposable-cylinder thread, so if you've got an appliance hose from a portable grill or heater, that's almost certainly the end that threads on here. And the 1/4 inch inverted flare gives you a clean tie-in for a permanent line if you're adding something that stays with the rig.

So who actually needs this? If you camp for more than a couple of days off grid, you already know the onboard tank drains faster than you'd like once the furnace runs at night. Adding an auxiliary cylinder through the 59113 buys you more time between fills. It's also the fitting to reach for when you want to feed a second appliance the coach didn't come with. A portable griddle, a patio heater, a catalytic tent heater. Instead of juggling bottles, you run them off one manifold. Snowbirds parked for a week love it for the same reason. One manifold, more capacity, fewer trips to refill.

One thing to be clear about, and Camco is clear about it too. This fitting is for motorhomes with a permanently installed tank. That's the design intent. It's not a regulator, and it isn't a complete kit with a hose included. It's the brass tee at the heart of that kind of setup. You'll pair it with the correct hoses and, depending on your plumbing, maybe an adapter to match your regulator inlet. If you're not sure what your coach uses, measure your existing fittings before you order accessories.

We'll say the same thing we tell everyone about propane work. If you're comfortable with gas fittings, propane-rated thread sealant, and leak-testing with soapy water, this is a straightforward afternoon job. If you're not, have an RV tech do it. Propane doesn't forgive a loose connection, and a cheap tube of the right sealant plus a proper leak test is worth every penny. Always shut the tank valve, bleed the line, and soap-test every joint before you light anything.

The 59113 is machined from brass, which is exactly what you want for a fitting that lives outside in the weather. Brass doesn't rust, it takes temperature swings in stride, and it seals well against the POL and flare threads it's built for. It's a small part that does one job and keeps doing it. If you've been rationing propane on long trips or wishing you could run one more appliance without swapping bottles, this is the piece that ties it together.