Inlet and outlet ports – The inlet is where gas vapor enters the regulator and the outlet is where it exits the regulator.

ValvCheq RP03 (RPZ) backflow valves play a critical role in maintaining the safety and integrity of your water supply.

Someone who knows how to read the charts and has a set of thumb drills could use those same orifices since the size of the hole is larger for ...

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Installation of this product may require products from each of the categories below. Choose our top recommended product from each category, or choose "More" to see a full list from that category.

Never attempt to modify, manipulate or repair regulators unless you are qualified to do so and have approval from the manufacturer.

AMI AAA Series point of use (POU) 5 stage RO systems are complete with pre-and-post filtration, and are configured for automatic operation.

Automatic changeover – Similar to an integral two-stage regulator in regard to pressure regulation but also has a mechanism that allows it to monitor vapor pressure switching from one tank to another in a multi-tank installation. Read more: Understand automatic changeover regulators

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NOTE: The opinions and viewpoints expressed herein are solely the author’s and should in no way be interpreted as those of LP Gas magazine or any of its staff members.

Integral two-stage (twin) – Some smaller load systems can bring container pressure down to inches of water column with a regulator that has both stages built in, sometimes referred to as a twin-stage or piggyback regulator.

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Vent – Built into the cover, allowing the regulator to breathe during normal operation. Vents can also be placed where the relief mechanism discharges.

You may need to replace your water pressure regulator if you notice a significant decrease in water pressure when using multiple faucets at once.

Mid-West Backflow Test Kit

Second stage (low pressure) – Typically placed at the residence and decreases the pressure from the first-stage regulator to inches of water column (often 11).

There are many different types of regulators designed to fit different applications. Sizing a regulator correctly for the load on the system is very important. Types of regulators used in residential applications include:

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20091215 — All recirculation systems pump hot water through the pipe...since it isn't going down the drain, the water has to go somewhere (thus the name recirculation).

ServiceTitan's water flow rate calculator makes determining volumetric flow rate quick and easy. The basic flow rate equation: A xv = Q.

Watts Backflow Test Kit

Line (appliance) – Placed before the appliance and decreases the pressure from 2 pounds to inches of water column (often 11). Does not have integral relief and usually uses a vent limiter.

Relief – If excess pressure flow beyond the capacity of the regulator occurs, the relief mechanism (spring) allows the propane vapor to exit through the relief valve. This prevents excess pressure from building.

The purpose of the regulator is to control the flow of gas vapor from the container to the burner tip. The regulator ensures safety by providing over-pressure protection, usually by means of a pressure relief device. This is why we often refer to the regulator as the heart of the propane system.

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Two pound – Placed at the residence and decreases the pressure from first-stage regulator to 2 pounds. Used in newer systems where the gas vapor demand requires additional regulation before the appliance.

Because the regulator is the heart of the propane system and is the key element in ensuring safety, it is important to understand how it works. The Certified Employee Training Program and the consumer education materials provided by the Propane Education & Research Council are excellent sources of information.

While features vary among manufacturers, the basic components are the same in most regulators. The main parts of a regulator include:

I typically write about personal safety, but in this article, I take a different approach and talk about a key element of safety within a typical residential propane system, the propane regulator.