How do you know your RV switchover valve is actually failing?

Your switchover valve fails when it won't toggle between tanks, leaks propane at the connection, or gets stuck mid-position. You'll notice the smell of LP gas near your tank bay, hissing when you manually switch, or - worst case - your furnace and water heater cycling on and off because pressure keeps dropping. The valve itself is a brass or aluminum casting made by brands like Cavagna Group or Watts Water Technologies, mounted directly on your twin-tank manifold or single-tank regulator.

Most RVs use a manual turn-lever or push-button switchover. If you're hearing a click that doesn't complete, or you can't move the lever at all, internal seals or the spool mechanism has worn out. This is not something you ignore - a leaking switchover can empty your tanks in 12 to 24 hours.

We recently pulled into a 2019 Jayco Jay Flight owner's driveway near Tampa with a complaint: propane smell in the garage and furnace running weak. The switchover valve on his dual 30-pound tanks was weeping at the threaded connection.

His previous tech had cross-threaded it during install, and the seal had finally given up. We replaced the entire valve assembly with an OEM Cavagna model, re-certified the whole system, and ran a pressure hold test.

He was back to normal comfort in under two hours. Without that fix, his tanks would have bled out in days and cost him twice as much in emergency service fees.

Red flags your switchover is toast:

What exactly does the replacement process look like from start to finish?

We isolate both tank shut-off valves, depressurize the entire system, disconnect the old valve, swap in a new one, and pressure-test everything - end to end - before we call it done. Total time runs 90 minutes to 2.5 hours depending on whether your RV has a single manifold setup or split tank bays. We use genuine replacement valves (Cavagna, Watts, or equivalent OEM spec) matched to your tank configuration and connection type.

The first step is always a full system leak test with a calibrated manometer to establish a baseline. Then we isolate tanks, bleed residual pressure through a ball valve, unscrew the failed switchover, and clean the manifold threads of debris or old sealant.

New valve gets wrapped with PTFE thread tape, torqued to spec, and we reconnect supply lines. Final step: 30-minute pressure hold test at 11 inches of water column, followed by a soapy-water bubble test on every connection. No bubbles, no leaks, and we hand you the certification card.

A 2017 Winnebago Traveler owner in Boise called because his switchover was leaking and the local dealer wanted $650 and a two-week wait. We came to his campsite, found the old Watts valve had internal corrosion from moisture - common in the mountain region.

We removed it, cleaned the female threads on his manifold block, installed a new brass Cavagna switchover rated for propane and natural gas, and pressure-tested. Cost was $340, took 2 hours, and he stayed put at his site. That's the difference between mobile and a shop floor.

Step-by-step repair sequence:

A1 RV Repair certified mobile tech on-site at a customer rig.
A1 RV Repair certified mobile tech on-site at a customer rig.

What does a switchover valve replacement actually cost, and what affects the price?

A1 flat-rate quotes are $280 - $420 depending on valve type, tank configuration, and how accessible your tank bay is. A basic dual-tank manual switchover on a standard travel trailer runs $280 - $320. A motorhome with a single large tank and integrated regulator-switchover unit costs $380 - $420 because the component is more complex and supply lines may need repositioning.

If your old valve is frozen tight and requires penetrating oil and extra labor, or if the manifold threads are damaged and need helicoil repair, that's an add-on of $60 - $100. Parts alone run $85 - $160 depending on whether we use an OEM Cavagna, Watts, or equivalent.

Labor and pressure certification are flat-rate; we quote by phone after you describe your setup, tank size, and year/make of your RV. No surprises. We've serviced 12,000+ RVs - we know what the job costs before we roll up.

A Grand Design Reflection owner called from Idaho with a stuck switchover. His 2016 model had a manual lever that wouldn't budge.

We quoted him $315 over the phone - valve swap plus full re-certification. When we arrived, we found the spool had galled and the threads were slightly corroded from a water intrusion.

We soaked the old valve with penetrating oil for 20 minutes, removed it, cleaned the manifold cavity, and installed a new brass Cavagna unit. The penetrating oil and extra labor added 45 minutes but no additional cost because the job fell within our standard quote range for his tank setup. He paid $315, got a 90-day workmanship warranty, and a safety card.

What affects switchover valve pricing:

Which valve brands and specs will A1 actually install on your RV?

We install OEM-matched Cavagna Group, Watts Water Technologies, and Furrion brand switchover valves because they're the industry standard and carry manufacturer warranties. Your RV's original valve came from one of these three houses - even if it was rebadged by the coach builder. Cavagna makes the majority of manual switchovers you'll see on travel trailers and fifth wheels (Forest River, Keystone, Coachmen models typically ship with Cavagna).

Watts dominates motorhome and Class B builds. Furrion handles higher-end Tiffin and Winnebago Aspect units.

We stock parts and can source any spec within 24 hours. Every valve we install is new, pressure-tested, and rated for your specific tank size and connection thread type (NPT, ACME, or POL). If your RV had a proprietary or discontinued solenoid switchover, we engineer an approved OEM equivalent - never a cheap knockoff.

A Coachmen Leprechaun owner in Miami needed a switchover replacement. His 2015 model came stock with a Cavagna manual lever.

We kept that exact spec because we had it in our van and the retrofit cost zero. No surprises, no compatibility headaches.

Compare that to a dealer who might push you toward a 'universal' valve and charge $200 extra for labor because the threads don't quite line up. We document every component and hand you proof of what went in. That matters for resale value and warranty claims.

Brands A1 stocks and installs:

Flat-rate quote before the truck rolls. No surprise charges.
Flat-rate quote before the truck rolls. No surprise charges.

How long does this take from your call to your propane working again?

In our core service areas (Tampa, Boise metro, surrounding counties), we respond within 2 - 4 hours of your call. The repair itself takes 90 minutes to 2.5 hours on-site. If you call at 9 a.m., we're often at your driveway by 11 a.m. and done by 1 p.m.

Same-day service is standard - not premium pricing. For areas outside our immediate hubs, we coordinate with our nationwide RVIA-certified partner network; expect 24 - 48 hours depending on local technician availability.

Once we're on-site, we don't cut corners. The pressure-hold phase alone takes 30 minutes - we're not rushing that.

If your manifold needs helicoil repair or thread cleanup, add 45 minutes. If we discover a secondary issue (cracked regulator, kinked line), we quote that on the spot and handle it the same day if you approve.

No hidden delays. We've been in this 15 years and we own our schedules.

A Keystone Hideout customer called from Lakeland at 10:30 a.m. reporting propane smell and a stuck switchover. We arrived by 12:15 p.m.

Diagnosis: internal corrosion and a failed seal. Valve swap and full system test by 2:45 p.m.

He paid $310, got his certification card, and we never rebooked. That's the reality of mobile service when you don't have a shop overhead to maintain.

We roll, we fix, we leave. No waiting for a shop slot that opens in three weeks.

Timeline from call to completion:

What warranty and guarantees back this repair work?

A1 backs every switchover valve replacement with a 90-day workmanship warranty covering labor and parts. If the valve fails due to our install, improper torque, or sealant error within 90 days, we replace it and re-test for free. The OEM component itself carries a 1 - 3 year manufacturer defect warranty through Cavagna, Watts, or Furrion - we hand you that card with your paperwork.

We also provide an RVIA-certified pressure-test report documenting your system passed at 11 inches of water column. That report is your proof for insurance claims, warranty disputes, or resale.

If a dealer later claims your system wasn't certified, you have documentation. We don't do short-term patch jobs.

Every valve we install gets the same 30-minute hold test we'd want on our own family's RV. No cutting that phase. If anything comes loose or leaks in 90 days, call us. We show up and make it right.

A 2020 Thor Motor Coach owner called six weeks after we replaced his switchover - he'd noticed a faint hiss near the manifold. We came back the same day, found a ferrule had slightly backed off on the outlet line (our install, our responsibility), re-torqued it, and re-tested the whole system.

Zero charge because it was within our 90-day window and our workmanship. That's why we don't rush and we don't hide behind fine print.

The warranty is real. Call (866) 623-1340 and ask - any A1 tech will confirm.

What's covered under A1 warranty:

Same-day mobile RV repair from A1 RV Repair's nationwide network.
Same-day mobile RV repair from A1 RV Repair's nationwide network.