If the gas comes out of the inner membrane punctures in it and the regulator is dangerous and must be replaced. I would recommend turning off the gas bottles immediately and getting the regulator replaced before turning them back on. Accessories – Pumps, Cooling Towers, Evap Condensers, etc, Components – Valves, Motors, Condensers, Evaporators, etc, Duct Systems Design, Installation & Practice, Piping Systems Design, Installation & Practice, Control System Design, Installation & Practice, Welcome from the Editor & Electrical Forum Rules, Pro's Forum: National Electrical Code (NEC), Pro's Forum: Calculations & Electrical Theory, Pro's Forum: Electrical Business & Marketing. Installer/Technician, Show our customers what quality work is, and train anyone who works with me to, If this is your first visit, be sure to All times are GMT-5.

It can be caused by two things. However, don’t clean the vent hole with any abrasive agent, as it could permanently damage the fitting of this component. And finally, should I replace the regulator, or my be I need just fix something (tight the vent bolt, for example). Either a ruptured regulator diaphragm or the inlet pressure is somewhere between 180% to 300% over the regulators "set-point". Participate in over 40 different forums and search/browse from nearly 3 million posts. Is the vent on a propane gas valve supposed to emit small amounts of gas? Everytime you start the Fp up, a small amount of gas will burp out of the vent. The ARPA Zone/Open Membership Discussion Forums. You can see a bubble on an attached picture. Post photos, respond to polls and access other special features. Connections to the regulator must be wrench-tight.

Ask Our Pros-Owner Assistance - NO DIY advice will be given. Our 20th year anniversary is May 21, 2020. check out the. However, a continuous leak at the vent is the hallmark of a ruptured diaphragm. Propane is a fairly clean-burning gas, it doesn’t normally have dark smoke, like … Step 3 – Decoding Leakage Problems. My question - is it normal, if not, what is a potential problem. The vent on the regulator is designed to equalize the atmospheric pressure against the gas under the diaphragm. This page was generated at 06:59 AM. Re: Small gas leak from gas regulator vent Generally, this hole is a vent to allow air into the chamber of the diaphragm, which can move up and down regularly. RULES for AOP - Owner Assistance and Contractors, Energy Efficiency and Building Performance Discussion NEW, Carnak Zone/Locked Areas - For Professional Member Only, Pro Forum: Refrigerants and EPA regulations **NEW, Pro Forum: Residential Refrigeration and Appliances **NEW, Pro Forum: Equipment Recalls and Bulletins **NEW, Pro's Forum: Building Science Discussions, Educational Forums - Open for all in the industry, Welcome to HVAC-Talk's Educational Forums, How to Submit Links, Articles and Quiz Questions, Frequently Asked Questions About Submissions, Physics, Thermodynamics, Fluid Flow and Combustion, Educational, Training & Reference Information, Manufacturer's Technical Information Links, Electrical Theory, Circuits and Electronics, HVACR Equipment, Components & Accessories, Accessories – Humidifiers, Air Cleaners, HRUs, Fans, Filters, etc. Heavy Soot Deposits. Hi, I have a small gas leak from my gas regulator feeding my heaters.

There is a pinhole “atmospheric pressure vent” on the side of the diaphragm that is sealed from the gas flow, and its purpose is to maintain normal atmospheric pressure on one side of it. This vent is to allow pressure equalization across the regulator diaphragm and ANY propane leak here is an indication of regulator failure.

If a replacement is required, I'll call a plumbing company, but before that I want to understand the problem to avoid unreasonable charges. Regulators can malfunction if they're not installed correctly. The #1 question asked by NEW MEMBERS.

The regulator utilizes a spring, piston, and rubber-like diaphragm in combination to keep a constant, reduced gas pressure in the pipes coming into the home. The leak is slow - one bubble per 5 seconds. Re: Small gas leak from gas regulator vent. Components – Coils, Heaters, Motors, etc. Yes... we are 20 years old. Repeatedly tap on the vent hole to clean out any obstructions. If you can’t find any obvious problems with the vent hole, you should troubleshoot your propane regulator for any gas leaks. The gas goes from holes on a vent bolt. Regulators can also malfunction if the gas pressure is too high and exceeds the regulator rating. Shut off the Fp and get a qualified technician to service it. Gain access to our free AOP (Ask a Professional) Section to get real answers for your questions. Prepare a solution of equal parts tap water to dish soap.

However, if the connections are tightened too much, the regulator can crack and start to leak.