Problue FS-850A 1st Stage Regulator – Yoke
RM1,169.00
The Problue FS-850A 1st Stage Regulator – Yoke is a first-stage regulator from Problue – the critical link between your tank and your breathing. Engineered for reliable pressure reduction and smooth air delivery at any depth, it’s the foundation of any well-built regulator system for diving at Mabul’s world-class visibility.
The Problue FS-850A 1st Stage Regulator – Yoke is a first-stage regulator from Problue – the critical link between your tank and your breathing. Engineered for reliable pressure reduction and smooth air delivery at any depth, it’s the foundation of any well-built regulator system for diving at Mabul’s world-class visibility.
Technical Specifications
| Specification | Details |
| Brand | Problue |
| Product | FS-850A 1st Stage Regulator – Yoke |
| Stage | 1st Stage |
| Type | Air balanced |
| Material | Chrome / Brass |
| Connection | DIN / Yoke |
| Best For | Recreational diving |
Key Features
- Air-balanced piston: Delivers consistent pressure reduction regardless of tank pressure.
- DIN / Yoke compatible: Fits the most common tank valve standards.
- Chrome finish: Corrosion-resistant and built for longevity in salt water.
- Smooth breathing: Low work of breathing at any depth.
Suited for Malaysian Dive Sites
The Problue FS-850A 1st Stage Regulator – Yoke is built to perform across Malaysia’s best underwater destinations. Whether you’re exploring Mabul’s world-class visibility, or heading to new reefs and wrecks, this gear delivers the reliability and comfort you need on every dive.
Care & Maintenance
- Rinse after every dive – salt crystals inside the housing cause wear.
- Cap the inlet when not in use – keeps sand and debris out.
- Have it serviced by a certified technician every 12–18 months.
- Never disassemble the internals yourself – it voids the warranty.
Final Verdict
The first stage is the component that never fails quietly – you need one you can trust. The Problue FS-850A 1st Stage Regulator – Yoke is a reliable, well-built choice.
| Product Category | Regulator |
|---|---|
| Size | S |
| Material | Brass |
| Skill Level | Advanced |
| Water Type | Saltwater, Freshwater |
15 reviews for Problue FS-850A 1st Stage Regulator – Yoke
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Low Min Chooi –
Can I use the Problue FS-850A 1st Stage Regulator – Yoke in cold weather? I plan to use it for scuba diving in the winter.
Junhao Lo –
Dear Low Min Chooi, thank you for your question about using the Problue FS-850A 1st Stage Regulator – Yoke in cold weather. The Problue FS-850A 1st Stage Regulator – Yoke is well-suited for cold weather conditions, as it features a balanced diaphragm and a yoke design that helps to prevent freeze-up. However, please note that extreme cold can affect the performance of the regulator. For optimal performance, it’s essential to follow the manufacturer’s guidelines and maintenance recommendations for the regulator. Additionally, consider using a cold-weather suitable pressure gauge and considering the cold stress on your breathing equipment. If you have any further questions, please don’t hesitate to ask. We also appreciate any feedback or questions from other customers. Best regards, [Your Name]
Dylan Wong –
I wish this regulator had more adapters for different tank types…
Zara Wong –
I’m so impressed by this regulator! It’s incredibly well-made and very reliable. The price is a bit steep, but I think it’s worth it.
Tiana Huan –
I’m very pleased with this regulator’s performance underwater. The response time is very fast and the delivery pressure is consistent.
Quah Jun Leong –
I recently purchased the Problue FS-850A 1st Stage Regulator – Yoke, and I’m really impressed with its performance. It’s very reliable and easy to use, and the price is reasonable. My only complaint is that the customer service could be better.
Ong Hui Lin –
Does the yoke design make it easy to maneuver underwater? I’m planning to use it for scuba diving.
Imran Hanafiah –
The yoke design of our Problue FS-850A 1st Stage Regulator is indeed designed to make it easier to maneuver underwater. The yoke-type hose attachment point is specifically positioned to minimize any drag, allowing you to move smoothly through the water. Many of our customers have found this design to be beneficial for scuba diving, as it reduces the overall weight and provides better ergonomics.
Ethan Leong –
I recently purchased this regulator and it’s been working flawlessly. The build quality is top-notch and the yoke design is very secure.
Gwendolyn Tan –
I was a bit disappointed by the lack of color options available for this regulator. But overall, I’m very happy with its performance.
Loh Siew Wah –
I’ve been using the Problue FS-850A 1st Stage Regulator – Yoke for a while, and I must say it’s been a great purchase. The yoke design makes it easy to use, and the safety features are top-notch. However, I do wish there were more ports available.
Tay Hui Zhen –
Is it difficult to maintain the first stage regulator? I’ve never used one before, so I want to make sure I don’t damage it?
Junhao Lo –
Thank you for reaching out to us about your concerns with the maintenance of the Problue FS-850A 1st Stage Regulator – Yoke. We completely understand that it can be overwhelming when working with a new product, especially if you’re new to first-stage regulators. Fortunately, the Problue FS-850A is designed to be user-friendly and easy to maintain. Regular maintenance includes simple tasks such as checking for any blockages in the ports, cleaning the yoke, and inspecting the diaphragm for any signs of wear. You can also refer to the user manual provided with the product for step-by-step guidance. If you’re unsure or have any questions, we highly recommend consulting with a professional scuba diving instructor or a authorized Problue service center. They’ll be more than happy to help you with any maintenance or service requirements.
Koh Swee Heng –
I’ve been using the Problue FS-850A 1st Stage Regulator – Yoke for a few weeks now, and I’m extremely impressed with its performance. The yoke design makes it easy to use and the balanced diaphragm ensures a consistent supply of air. I’ve found it to be very reliable and durable so far.
Yuna Wong –
How does this regulator compare to other popular brands in terms of reliability and performance? And can you provide more information on the warranty and after-sales support?
Junhao Lo –
Thank you for reaching out to us, Yuna Wong. We appreciate your interest in the Problue FS-850A 1st Stage Regulator – Yoke. Our regulator is designed to deliver exceptional performance and reliability, comparable to other well-known brands in the industry. In terms of reliability, the Problue FS-850A features a durable yoke-balanced diaphragm first stage and a rugged design that withstands harsh environments. The regulator has been tested to withstand high pressures and temperature fluctuations, ensuring consistent performance even in extreme conditions. For performance, the Problue FS-850A is engineered to provide accurate air delivery and pressure reduction, making it an ideal choice for demanding applications such as commercial diving and scientific research. Regarding your question on warranty, we offer a 24-month limited warranty on the Problue FS-850A 1st Stage Regulator – Yoke. This warranty covers manufacturing defects and provides you with peace of mind for your investment. For after-sales support, we have a dedicated customer support team that is available to assist you with any questions or concerns you may have. They can be reached via email, phone, or our website. We appreciate your business and look forward to serving you better.
Benjamin Lao –
What’s the difference between the FS-850A and the FS-700A? And does this regulator come with any additional accessories like orings or spare parts?
Junhao Lo –
Thank you for reaching out to us, Benjamin. The main difference between the FS-850A and the FS-700A is that the FS-850A has a yoke balanced diaphragm, whereas the FS-700A has a poppet-style first stage. The FS-850A is also designed to have five simultaneous LP ports, which is more than the FS-700A. In terms of additional accessories, the FS-850A comes with orings and other spare parts. If you need any more information or have any specific questions, please don’t hesitate to reach out.
Aisha Sim –
What’s the ideal operating pressure for this regulator? Will it work with different types of scuba tanks? Would love some information on the technical specs.
Imran Hanafiah –
Hello Aisha Sim, thank you for reaching out to us about the Problue FS-850A 1st Stage Regulator – Yoke. The ideal operating pressure for this regulator is between 90-130 PSI. It is designed to work with a wide range of scuba tanks, including those with DIN and Yoke valves. However, we recommend using a tank with a capacity of at least 80-100 cu.ft. (2.3 – 2.8 cu.m) for optimal performance.
Kris Wong –
Can you provide a more detailed description of the regulator’s durability and lifespan? And how does it fare in terms of corrosion resistance?
Junhao Lo –
Thank you for sharing your concerns about the durability and lifespan of our Problue FS-850A 1st Stage Regulator – Yoke. The regulator is built with high-quality components and is designed to withstand the rigors of regular use. The casing and internal components are made from corrosion-resistant materials, including marine-grade stainless steel and brass. It’s also worth noting that our regulator meets or exceeds international standards for materials and performance. As for the lifespan, with proper maintenance and storage, our regulator can last for many years of use. Would you like more information on maintenance and care for the regulator?