What Are Some Warning Indicators My RV Propane Regulator Has Gone Dangerous?

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By Car Brand Experts


Your RV’s propane home equipment assist you to cook dinner, bathe, clear dishes, and keep heat on cooler nights. Right here’s a fundamental overview of the primary parts of the propane system that helps these home equipment: 

  • Propane container(s) to retailer the propane (LP gasoline)
  • A two-stage RV propane regulator to make sure correct working stress for home equipment
  • A piping system to ship LP gasoline from the container by the regulator to your gas-burning home equipment. 

The regulator is without doubt one of the most vital parts of this technique. So, let’s begin by explaining what it’s and what occurs when it fails. Then, we’ll spotlight frequent defective gasoline regulator signs and advocate the right way to reset your regulator in the event you’re having points.

What’s an RV Propane Regulator?

An RV propane regulator is a two-stage machine that reduces and regulates the stress of propane gasoline to the correct working stress in your propane-burning home equipment. That is typically known as a “system regulator” as a result of some home equipment (cooktops, furnaces, and so forth.) embrace particular person regulators to manage propane stress earlier than it enters the home equipment.

You’ll discover an RV’s propane system regulator put in downstream of the propane storage container(s). The working stress for an RV propane system is measured in inches of water column (WC). Listed here are the 2 vital working pressures to know: 

  • Working Stress: 11 inches WC
  • Lockup Stress: 14 inches WC

The primary-stage system regulator reduces the container stress to roughly 10 kilos per sq. inch (PSI). The second stage system regulator additional reduces the stress from 10 PSI to 11 inches WC, which is roughly equal to six.3 ounces per sq. inch or ½ PSI. Particular person equipment regulators are sometimes set to a spread between 10 and 10.5 inches WC.  

What Occurs When a Propane Regulator Fails

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Picture by Tenting World

When assessing or analyzing your RV’s propane techniques, security is at all times crucial issue. As you may think, a failing propane regulator is usually a main security threat to your RV’s inhabitants and the RV itself. 

When a propane regulator fails, you may expertise quite a lot of components, akin to: 

  • Incomplete combustion
  • That “rotten egg” odor
  • Decreased gasoline circulation
  • Lack of equipment ignition
  • Surprising equipment shutdowns
  • Elevated propane consumption
  • Frost or icing on the regulator
  • Noticeable whistling sound when working home equipment

Signs of a Dangerous Propane Regulator

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Picture by Tenting World

Listed here are among the commonest signs that inform you it might be time to exchange the regulator in your RV’s propane system: 

Technician Tip: Whereas propane regulators could be inspected and adjusted by licensed service professionals, they’ll’t be repaired. They should be changed, so in the event you’ve observed a number of of those signs, shut the propane off on the containers and make contact with a licensed skilled.

You Discover That “Propane” Scent

Propane, as extracted, is odorless and colorless. Nonetheless, propane firms add a chemical known as mercaptan that provides it that noticeable, sulfur-like odor. A noticeable “rotten egg” odor in or round your RV signifies that you need to examine a doable propane leak.

How do you determine the leak?

Making use of soapy water – not containing ammonia or chlorine – may help you determine propane leaks. Use a twig bottle to use the leak detector resolution on the regulator’s connection factors and examine for bubbles. 

If the leak comes out of your regulator, the diaphragm is the probably wrongdoer. The regulator’s diaphragm is a versatile disc that works with the regulator’s vent to regulate gasoline circulation as stress adjustments. A noticeable odor coming from the regulator’s vent is a tell-tale signal of a diaphragm challenge that requires changing your complete regulator. 

Technician Tip: If you happen to uncover a leak (through the applying of soapy water or a odor check), DO NOT try to find the precise supply. Instantly shut off the valves in your propane container(s) and contact your nearest Tenting World Service Heart to schedule a propane system service appointment.

It’s Outdated

RV propane regulators are stamped with a date code. They need to be modified in accordance with the producer’s specs when that date code has been surpassed. 

Home equipment Have a Small Flame or Poor Warmth Output

An unusually small flame on a cooktop burner or decreased warmth output out of your furnace may point out a malfunctioning regulator. Make sure that your container(s) nonetheless maintain ample provide earlier than re-testing particular person home equipment for flame dimension and/or warmth output. 

The Flame Shade is Yellow or Orange

Along with your regulator functioning correctly and your home equipment correctly adjusted, the flame needs to be blue and evenly dispersed. A yellow or orange flame is an indication of incomplete combustion, possible as a consequence of a regulator challenge (both on the system regulator or the regulator for the person equipment). Different indicators of incomplete combustion embrace popping noises when the equipment is turned on and off and soot deposits on the burner. 

You Run Out of Propane Faster Than Regular

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Picture by Tenting World

In case your utilization patterns have remained pretty constant, however you should refill propane extra ceaselessly than typical, a defective RV propane regulator might be the wrongdoer. In spite of everything, if it doesn’t do its meant job of regulating LP stress, this may result in wasted gasoline as a consequence of extreme consumption. 

You Hear a Whistling Sound When Working Home equipment

Many propane RV home equipment emit some noise or whistling whereas working. If you happen to’re a brand new RV proprietor, pay attention to this sound so you have got a reference for what’s regular and what you may think about extreme. When your regulator malfunctions, extreme noises might happen, akin to loud hissing, persistent whistling, and popping or rumbling sounds.

Frost or Ice Accumulates on the Regulator

If you happen to discover frost or ice increase on the physique of the regulator, it’s an indication of an extreme drop in stress. This sometimes causes a corresponding temperature drop and the formation of condensation. Whereas the regulator is designed to cut back stress, it does so progressively by these two phases, which mustn’t lead to extreme stress drops when functioning correctly.

Propane Home equipment Surprising Shut Down

If, after cooking for 5 minutes, a burner unexpectedly turns off, you may be out of propane. However in the event you can affirm enough LP gasoline provide, you might also have a difficulty together with your regulator. 

Equipment shutdowns can happen from a scarcity of propane but in addition from inconsistent gasoline circulation, a difficulty that tracks again to an ineffective regulator. 

It Bought Submerged in Water

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Picture by Tenting World

There’s a motive motorhome propane tanks are positioned in a protected compartment, and towable RVs with the container(s) on the tongue needs to be geared up with a propane container cowl

A regulator has a canopy that protects it from particles, however that cowl should stay in place to supply the designed safety. Because of this the regulator vent needs to be aimed inside 45 levels of straight right down to shed moisture. Water can permit chemical substances and particles into the spring space, which may end up in corrosion and, ultimately, regulator failure. 

Technician Tip: You must by no means submerge a regulator in water, however you shouldn’t try to waterproof one both. Utilizing your container cowl as designed is one of the simplest ways to guard your RV propane regulator from water harm.

The Regulator is Visibly Broken or Deformed

Seen harm to the regulator is a transparent and apparent signal that it needs to be changed. This harm might be brought on by highway particles when towing, improper use, or the burden of snow in the event you don’t retailer your RV correctly for winter. These aren’t the one potential causes, however the takeaway is obvious: If you happen to discover cracks, dents, or important corrosion, it’s time to exchange your RV propane regulator.

How To Reset The Propane Regulator For Your RV

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Picture by Tenting World

Thankfully, resetting your RV’s propane regulator is simple. Listed here are the fundamental steps for a regulator reset: 

  1. Flip off all propane-burning home equipment in your RV.
  2. Flip off propane circulation by closing valves on propane container(s). 
  3. Wait a number of minutes.
  4. Return propane circulation to home equipment by opening container valve(s) and re-pressurizing the piping system.

We hope the following pointers for troubleshooting your RV’s propane regulator have been helpful. Listed here are just a few extra propane-related articles you’ll be able to add to your assortment of RV assets: 

Any questions on your propane regulator or propane system normally? Tell us within the feedback under!


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