A 105 Regulator Repair Kit 5679: Worth the Hassle?

Disclosure: As an Amazon Associate, I earn from qualifying purchases. This post may contain affiliate links, which means I may receive a small commission at no extra cost to you.

I remember the first time my propane grill decided to throw a tantrum mid-burger flip. Just a pathetic hiss instead of a roaring flame. My first thought? New regulator. Then I saw the price tag. Turns out, often you can fix the darn thing for a fraction of the cost with a decent rebuild kit. Specifically, I’m talking about the joys and occasional sorrows of dealing with a 105 regulator repair kit 5679.

These kits are supposed to be the knight in shining armor for your slightly leaky, sputtering propane regulator. But let’s be real, not all repair kits are created equal, and the process itself can range from a minor inconvenience to a full-blown grease-covered headache. So, does this particular kit live up to the hype?

I’ve been wrestling with propane equipment for longer than I care to admit, and I’ve learned a thing or two about what’s worth your time and what’s just a waste of money and busted knuckles. Let’s get into it.

When Your Regulator Starts Acting Like a Diva

There’s nothing quite like the moment your propane tank is full, your grill is hot, and then… silence. Or worse, a weak, pathetic sputter that barely toasts a marshmallow. This was me last summer, on the verge of a Fourth of July barbecue masterpiece, when my trusty Char-Broil decided its regulator had enough. A quick glance confirmed it wasn’t just out of gas; the pressure felt weak, inconsistent. The flame was low, wispy, and frankly, embarrassing.

My initial reaction, as usual, was panic and the urge to just buy a whole new regulator assembly. That’s the easy way, right? WRONG. A decent replacement regulator for a common grill can set you back $50-$80, sometimes more. And for what? Often, it’s just a worn-out diaphragm or a stuck valve that’s the culprit. That’s where a repair kit, like the elusive a 105 regulator repair kit 5679, enters the picture. The idea is simple: swap out the worn-out bits, and BAM, you’ve got a working regulator for maybe $10-$20.

The reality? Well, it’s a mixed bag.

I’ve had kits that were absolute lifesavers, extending the life of perfectly good regulators by years. I’ve also had kits that were about as useful as a screen door on a submarine. They either had cheap, flimsy parts that failed after a few uses, or the instructions were so convoluted they made IKEA furniture assembly look like a relaxing spa day.

The 5679 kit is supposed to be a go-to for many common 105 series regulators, the kind you find on a boatload of grills, camp stoves, and even some small RV setups. The question is, is it one of the good ones, or just another piece of hardware destined for the scrap pile?

When I first encountered regulator issues, I was clueless. I just knew the flame was weak. I spent way too much time fiddling with the tank valve, thinking I was some kind of gas-flow guru. Then I wised up and started looking into the actual regulator itself. It’s a surprisingly complex little device for something so small, with springs, diaphragms, and seals all working in concert to control that high-pressure propane from the tank down to the safe, usable pressure for your appliance. When any of those tiny components start to fail, the whole system suffers.

Deconstructing the 105 Regulator: What Makes It Tick (or Not Tick)

Before we dive headfirst into the nitty-gritty of a 105 regulator repair kit 5679, you need to understand what you’re actually fixing. The ‘105’ designation usually refers to a specific class of pressure regulators designed to reduce high-pressure propane (from the tank, which can be upwards of 200 PSI) down to a much lower, usable pressure for your appliance, typically around 11 inches of water column (w.c.) for grills and similar items, or maybe 2-5 PSI for larger RV systems. The ‘5679’ in the kit name often refers to a specific manufacturer’s part number or a common assembly number associated with these regulators.

At its core, a diaphragm-style regulator like this works on a balance of forces. You’ve got the incoming high-pressure gas pushing up against a diaphragm. This diaphragm is connected to a lever or linkage that controls an internal valve.

On the other side of the diaphragm, you have a spring pushing down (or sometimes up, depending on the design) and the force of the gas being outputted also pushing against the diaphragm. When the output pressure drops (because you opened the grill burner), the spring force overcomes the gas force, pushing the diaphragm down, which opens the valve, letting more gas flow in. (See Also: Can Fan Regulator Be Used As Light Dimmer )

As the output pressure rises, it pushes the diaphragm up, closing the valve and restricting flow. It’s a constant, automatic dance to maintain a steady output pressure.

So, what goes wrong? The most common culprits are wear and tear on the diaphragm itself. This flexible rubber or synthetic material can get brittle, crack, or develop small holes over time, especially with exposure to UV light and temperature fluctuations. A compromised diaphragm means you lose that precise control. You might get inconsistent pressure, a leak, or just generally poor performance. Other issues can include a worn or dirty valve seat, a weakened spring, or debris getting lodged in the mechanism. Sometimes, the entire regulator body can corrode, but that’s usually beyond the scope of a simple repair kit.

The beauty of a repair kit is that it typically includes the key wear items: a new diaphragm, new seals or O-rings, and sometimes a new spring or adjustment screw. The goal is to replace these aging components with fresh ones, restoring the regulator to its intended performance. For the 105 series, these kits are designed to be relatively straightforward to install, assuming you have basic tools and a bit of patience. It’s a much cheaper alternative to buying a brand-new regulator, which is often the go-to advice from folks who just want you to spend more money.

I learned this lesson the hard way when a seemingly minor leak turned into a full-blown propane smell that had my neighbors peeking over the fence. I ended up replacing the entire regulator for about $60. A week later, I saw a repair kit for the exact same model online for $15. Felt like I’d been mugged by the appliance industry. That’s what pushed me to really learn about these kits and whether they were a viable option. For many common regulators, they absolutely are.

The 5679 Kit: What’s Inside and What to Expect

Okay, let’s talk specifics. When you’re looking at a 105 regulator repair kit 5679, what exactly should be in that little plastic bag or box? Typically, you’re going to find the essentials: a new rubber or synthetic diaphragm, a set of various O-rings and seals, and sometimes a small packet of lubricant or sealant. Some kits might also include a new spring or small internal parts, but the diaphragm and seals are the absolute core of the repair.

The diaphragm is the star of the show. It’s usually a thick, flexible piece of material, often with reinforcement. You want to feel that it’s pliable, not stiff or cracked. The O-rings and seals are equally important. These little rubber rings are what prevent leaks between different sections of the regulator body. If they’re hardened or damaged, you’re back to square one, or worse, actively leaking gas.

I’ve seen some kits, and not just for the 5679, that skimp on quality. The diaphragm might feel too thin, or the rubber compound might look questionable. Other times, the O-rings are poorly manufactured, maybe too tight, too loose, or just misshapen. This is where you really want to trust the brand or at least read reviews from people who have actually used the kit on their specific regulator model. I once bought a generic kit for an older Craftsman air compressor regulator, and the diaphragm was so stiff it barely moved. It was useless.

When you get your hands on the 5679 kit, lay out all the parts. Compare them visually to the old parts you’re about to remove. Do they look like they’ll fit? Is the material quality decent? For the 105 series regulators, especially those common on popular grill brands, the kits tend to be pretty standardized in terms of what they need. The 5679 part number is often associated with kits designed for specific manufacturers or series of regulators, so it’s usually a good bet if it’s listed as compatible with your model.

Here’s a quick rundown of what you’re hoping to find, and what you’ll likely get:

Component What You Need What You’ll Likely Get in a 5679 Kit My Verdict (Quality Matters!)
Diaphragm Flexible, durable, correctly sized Usually included, check material This is EVERYTHING. If it’s bad, the kit is bad.
O-rings/Seals Various sizes, good rubber compound Typically included, often a few spares Must be snug but not impossible to install. No cracks!
Spring Correct tension and length Sometimes included, not always If it’s included, great. If not, the old one is usually fine unless visibly damaged.
Lubricant/Sealant Food-grade, non-hardening Rarely included, but a nice bonus Use sparingly and only if specified. Vaseline is NOT your friend here.

The biggest gamble with any repair kit is always the quality of the materials and the precision of the manufacturing. You’re trusting tiny pieces of rubber and metal to control flammable gas. It’s not the place to cut corners if the kit itself feels suspiciously cheap or poorly made.

The DIY Repair: Getting Your Hands Dirty

Alright, you’ve got your a 105 regulator repair kit 5679, and you’re ready to get this done. First things first: SAFETY. Disconnect the regulator from the propane tank completely. Make sure the tank valve is shut off and there’s no residual pressure. It’s also a good idea to work in a well-ventilated area, away from any open flames or sparks. Seriously, don’t mess around with propane. I’ve heard stories of people trying to do this with the tank still attached, and it never ends well. My cousin once tried to tighten a leaking connection on a propane heater while it was running. Let’s just say his eyebrows took a vacation. (See Also: Can A Dual Lumen Regulator Attach To A Inogen One G5 )

The actual process usually involves a few basic steps. You’ll typically have a retaining ring or a few screws holding the regulator body together. Carefully remove these. You might need a wrench for the ring or a screwdriver for the screws. Take pictures as you go! Seriously, a few snaps on your phone can save you a world of confusion when you’re trying to reassemble it. Pay close attention to how the diaphragm is seated and the orientation of any levers or springs.

Once it’s apart, you’ll see the old diaphragm. It might be stuck, brittle, or just plain gross. Gently pry it out. Clean the mating surfaces of the regulator body thoroughly. You want a perfectly clean surface for the new diaphragm and seals to seat against. Then, install the new diaphragm. Make sure it’s centered and lies flat. If your kit came with lubricant, use it very sparingly on the O-rings, as instructed. Don’t slather it on; you’re not greasing a pig.

Reassemble the regulator in reverse order of disassembly. Tighten screws or the retaining ring evenly and firmly, but don’t overtighten, or you could crack the housing or deform the new diaphragm. The goal is a snug, leak-free seal. Once it’s back together, reconnect it to the propane tank.

Slowly open the tank valve and listen – and smell – for any leaks. A soapy water test is your best friend here. Apply a solution of dish soap and water to all connections and around the regulator body. If you see bubbles forming, you’ve got a leak and need to go back to step one.

If all is quiet and there are no bubbles, congratulations, you’ve likely just saved yourself a bunch of cash.

The whole process, if you’re methodical and haven’t completely lost your marbles, should take anywhere from 30 minutes to an hour. The first time I did it, it took me closer to two hours because I was being overly cautious and second-guessing myself at every turn. But once you’ve done it, it’s surprisingly simple. I even found a helpful YouTube video demonstrating the repair for a similar 105 regulator, which is invaluable for visualizing the steps. Looking up videos specific to your regulator model or brand is a big deal.

Common Pitfalls and Why Your Repair Might Fail

Not every repair is a success story, and the a 105 regulator repair kit 5679 is no exception. I’ve seen too many people get frustrated because their regulator still leaks or performs poorly after a rebuild. Usually, it comes down to a few key mistakes. The most common, and frankly the most dangerous, is not making sure a perfect seal. If that diaphragm isn’t seated perfectly flat, or if an O-ring is pinched or missing, you’re inviting leaks. Propane leaks are no joke, and they can lead to fires or explosions.

Another pitfall is using the wrong kit for your regulator. While the 105 designation is common, there are variations. Even within the same brand, different models might use slightly different internal components. Buying a kit that isn’t explicitly listed as compatible with your specific regulator model is asking for trouble. I once tried to use a kit meant for a slightly larger industrial regulator on my small portable grill. The diaphragm was too big, and the O-rings were all wrong. It was a complete waste of time and money.

Over-tightening is also a big one. The plastic or metal housings of regulators can be surprisingly brittle. Crank down too hard on a screw or the retaining ring, and you can easily crack the housing. This renders the entire regulator useless and means you definitely have to buy a new one. Conversely, under-tightening means the parts won’t seal properly, and you’ll have leaks.

The quality of the kit itself, as I’ve mentioned, is most important. Cheap, brittle rubber or poorly molded plastic parts are doomed to fail. I’ve seen diaphragms crack within weeks of installation because they were made from inferior material. Always try to get kits from reputable sources and read reviews if possible. For the 5679 kit, look for mentions of durability and ease of installation. If multiple people complain about it being flimsy or hard to fit, steer clear.

Finally, there’s the issue of the regulator body itself. If the metal housing is heavily corroded, pitted, or warped, no repair kit in the world is going to fix it. The repair kit is designed to replace internal wear parts, not to fix structural damage to the regulator’s housing. So, before you even buy the kit, give your regulator a good once-over. If it looks rough, it might be time to just bite the bullet and get a new one. It’s better to spend $60 on a new, reliable regulator than $15 on a kit that won’t fix a fundamentally damaged unit. (See Also: Can A Faulty Fuel Pressure Regulator Cause Rough Idle )

Here’s a quick table of common mistakes to avoid:

Mistake Consequence How to Avoid
Using the wrong kit Leaks, poor performance, potential danger Verify regulator model and kit compatibility.
Improper diaphragm seating Leaks, inconsistent pressure Take pictures, make sure it’s perfectly flat and centered.
Over-tightening/Under-tightening Cracked housing, leaks Tighten evenly and firmly, don’t force it.
Using low-quality kit parts Premature failure, leaks Buy from reputable sources, read reviews.
Ignoring regulator body damage Kit won’t fix it, waste of money Inspect the housing for corrosion/damage before buying.
Working with pressurized tank Fire, explosion, serious injury ALWAYS disconnect and bleed pressure. Use soapy water test.

Real-World Use Cases and Tips for Success

So, where do you actually find these 105 regulators and their repair kits? They’re everywhere. On your backyard BBQ grill, your portable propane camp stove, small RV appliances, patio heaters, even some older food cart setups. The 105 series regulators are workhorses because they offer a good balance of performance and cost-effectiveness for many common propane applications. The a 105 regulator repair kit 5679 is often listed as compatible with specific lines of these regulators, so checking the manufacturer’s cross-reference or popular online listings is key.

When I’m looking for a kit, I don’t just search for ‘regulator repair kit.’ I usually search for ‘[Your Regulator Brand/Model] regulator repair kit’ or the specific part number if I can find it. Sometimes, the original manufacturer doesn’t sell kits directly, so you’re reliant on aftermarket suppliers who’ve reverse-engineered them. That’s where part numbers like 5679 become important, as they can be a common identifier across different suppliers for a compatible kit.

My contrarian opinion? Most people replace their regulators far too soon. They hear a slight hiss or notice a slightly weaker flame and immediately jump to buying a whole new unit. In my experience, for many common diaphragm-style regulators, a simple diaphragm and seal replacement is all that’s needed. You’re often throwing away perfectly good metal and plastic for a problem that could be fixed with a $15 rubber gasket. It’s wasteful and expensive.

Here are a few practical tips based on my own trials and errors:

  1. Identify your regulator FIRST. Before you even think about buying a kit, get the exact make and model of your regulator. Usually, it’s stamped on the side. If not, look at the appliance it’s attached to and search for that.
  2. Check the Tank Connection. Most 105 regulators have a standard POL (Pre-1996) or ACME (Post-1996, the big, brass-colored connector) fitting to connect to the tank. The repair kit won’t touch this, but it’s good to know what you’re dealing with.
  3. Cleanliness is Key. I cannot stress this enough. Clean the regulator body mating surfaces meticulously. Any dirt, grit, or old gasket material will prevent a proper seal. Use a soft cloth and maybe a bit of denatured alcohol.
  4. Gentle Force. When reassembling, tighten things down evenly. If you feel excessive resistance, stop and check for misalignment. You don’t want to strip threads or crack plastic.
  5. The Soapy Water Test is A must. This is your final check. If you see bubbles, you have a leak. Don’t ignore it. Fix it or replace the regulator.
  6. Consider the Regulator’s Age and Condition. If your regulator is ancient, heavily corroded, or has suffered physical damage, a repair kit might not be the best long-term solution. Sometimes, a new regulator is the safer, more reliable bet.

One time, I managed to fix a regulator on a portable propane stove that had been sitting in my dad’s garage for 15 years. It looked terrible, but the internal parts were still salvageable. A new diaphragm and seals from a generic kit (not even a specific 5679, but similar parts) brought it back to life. That little stove still cooks my breakfast on camping trips, all thanks to a $10 repair.

Faq: Your Burning Questions Answered

Is a 105 Regulator Repair Kit 5679 Compatible with All 105 Regulators?

No, not necessarily. While ‘105’ refers to a class of regulators, specific models and manufacturers can have slight variations in their internal components. The ‘5679’ designation often points to compatibility with a particular series or brand. Always verify the kit’s compatibility with your exact regulator model before purchasing.

How Often Should I Replace My Propane Regulator?

There’s no strict timeline. Regulators fail due to wear and tear, environmental exposure, or damage. A properly functioning regulator, maintained and undamaged, can last many years. If you notice inconsistent flame, low pressure, or leaks, it’s time to investigate repair or replacement, rather than sticking to a schedule.

Can I Use a Repair Kit If My Regulator Is Leaking?

Yes, if the leak is caused by worn internal components like the diaphragm or seals, a repair kit is often the perfect solution. However, if the regulator body itself is cracked or heavily corroded, a kit won’t fix it. Always perform a soapy water test after repair to confirm the leak is gone.

What Tools Do I Need for a Regulator Repair?

Typically, you’ll need basic hand tools like adjustable wrenches, screwdrivers (flathead and Phillips), and possibly pliers. A soft brush or cloth for cleaning and a bottle of soapy water for leak testing are also key. Safety gloves and eye protection are always recommended.

Final Thoughts

So, is a 105 regulator repair kit 5679 worth the hassle? For me, the answer is usually yes, provided you get a quality kit and take your time with the repair. It’s a fantastic way to save money and reduce waste by giving a perfectly good regulator a second life. I’ve seen too many regulators tossed aside for simple issues that a diaphragm and a few O-rings can fix.

However, you absolutely must do your homework. Verify compatibility, inspect your existing regulator for damage, and proceed with caution. If the kit feels flimsy or the instructions are nonsensical, it might be a sign to reconsider. But when it works, it’s incredibly satisfying to know you fixed it yourself and avoided the expense of a brand-new unit.

Next time your grill starts acting up, don’t immediately reach for your wallet to buy a whole new regulator. Take a look, see if a repair kit like the a 105 regulator repair kit 5679 is a viable option. It might just be the money-saving hero you didn’t know you needed.

Recommended Regulators
Bestseller No. 1 The Regulators: from No. 1 bestseller Stephen King writing as Richard Bachman
The Regulators: from No. 1 bestseller Stephen King...
SaleBestseller No. 2 R632A-JFF Integral Two Stage Propane Regulator – LP Gas Pressure Control for Tank, 9'-13' WC, POL x 3/4' FNPT, 850,000 BTU, Residential Regulators
R632A-JFF Integral Two Stage Propane Regulator...
Bestseller No. 3 RX WELD Nitrogen Regulator, 0-800 PSI, CGA580 Inlet, 1/4' Flare Outlet
RX WELD Nitrogen Regulator, 0-800 PSI, CGA...