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Propane Gas Refrigerartors and off grid appliances
Propane Refrigerators and off grid appliances
 

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How to build a manometer

How To Test Gas Pressure

Manometer to test LPG pressure

Although most gas appliances are not sensitive to slight gas pressure variations, performance of a gas refrigerator is very dependent upon the correct gas pressure. Checking the gas pressure should always be a part of a any gas fridge maintenance program or gas refrigerator repair. We suggest to have your gas supplier check your gas pressure or do it yourself with the below instructions.

Parts needed;

Approximately 60" of clear 3/8" flexible plastic (vinyl) tubing.

Staples or tie straps to hold tubing to back plate.

6" x 16" wood board or sheet metal.

Ruler.

1.) Attach the plastic tubing to the back board using staples or tie straps in a "U" shape 12" to 14" in both directions as per the below drawing.

2.) At about the midway point of the tubing, mark the back board with a zero location.

3.) From the zero location, place marks every 1/2" above and below. Number the marks every one inch. Place a target arrow mark at 5 1/2" on top and bottom. This target will equal 11 inches of water column (W.C.).Monometer to test gas pressure

 

To test gas pressure;

1.) Fill the Manometer "U" tubing with water until both sides reach zero.

2.) Connect free end of tubing to the gas supply line. A slip fit or hand held fit should be sufficient. Be sure it does not leak.

3.) Hold the Manometer vertical and slowly turn the gas supply on.

4.) The pressure will push the water down the input side and up the output side. The combined sum of both distances is the "inches of water column pressure". The target is 5 1/2" + 5 1/2" = 11 inches of W.C.

5.) Most high quality regulators will have an adjustment screw usually covered with a plug or plastic screw cap. Turn the adjuster screw slightly and repeat steps 3 & 4 until 11" W.C. is achieved.

 

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Dynamx inc 5 out of 5 based on 7 ratings.
Welcome to Warehouse Appliance - Your source for propane refrigerators and gas freezers
5 out of 5 stars Great place to shop for items you need. Good selection and a great selection of items that are harder to find. I have purchased two items from here and both times had no regrets.
Review:
"Great place to shop for items you need. Good selection and a great selection of items that are harder to find. I have purchased two items from here and both times..." read more
- James
 
Welcome to Warehouse Appliance - Your source for propane refrigerators and gas freezers
5 out of 5 stars Great people to work with. Had an issue with delivery and they handled it perfectly. Thanks Mike.
Review:
"Great people to work with. Had an issue with delivery and they handled it perfectly. Thanks Mike...." read more
- Rob Long
 
Welcome to Warehouse Appliance - Your source for propane refrigerators and gas freezers
5 out of 5 stars Love this company. We don't live in the area so we couldn't pickup our appliances during normal company hours. Arrangements were made to be open early on a Sat morning. Costs are fair and the products are great.
Review:
"Love this company. We don't live in the area so we couldn't pickup our appliances during normal company hours. Arrangements were made to be open early on a..." read more
- Mary Tyer
 
Welcome to Warehouse Appliance - Your source for propane refrigerators and gas freezers
5 out of 5 stars Best customer service ever... always can be a challenge doing business via website and phone but these guys rock... now we have a sweet fridge at the shack, thanks guys!
Review:
"Best customer service ever... always can be a challenge doing business via website and phone but these guys rock... now we have a sweet fridge at the shack, thanks guys!..." read more
- team Piranha X