How high above the roof does my chimney have to be? The following information is for the typical chimney installation. Always check your local codes. Table from Metal-Fab, Inc. Roof Pitch Minimum Height for gas chimneys, B-vent Flat to 7/12 (305 mm) 1.0 feet Over 7/12 to 8/12 (451 mm) 1.5 feet Over 8/12 to…
The basic answer is: “Don’t do it”. Our flex pipe comes in 100 and 250 foot rolls. The size of the roll can easily be six feet in diameter. That means it cannot ship via UPS or US mail. The only way to ship it is freight, and the cost starts around $100 and goes up from…
Oil Nozzle Care and Tips Oil nozzles are designed to do an accurate job of atomizing and metering fuel oil in the spray pattern of your burner. Keep nozzles in their original containers. Handle the nozzle by the hex flats and avoid touching the strainer. Use clean tools. We recommend using a Delavan nozzle changer…
How do I adjust my electrodes? Adjusting electrodes in your oil burner is something normally done by a professional, however it is not rocket science. If the homeowner is capable of doing most home repairs, he/she can adjust electrodes. The standard cautionary notes apply: make sure you turn off the system, and be careful because you are…
Culvert pipe is outrageously expensive to ship. The twenty-foot length creates a problem for almost all of the LTL (Less than a Truck Load) trucking companies. Many trucking companies do not want to bid on hauling it. We therefore encourage you to look locally for a supplier of culvert pipe. If you really want us…
The standard 1” air filter is factory stamped as a 30 day filter. Although this may seem a bit overboard the concept is very sound. Both Heating & A.C. units need to move air in order for them to work easily and efficiently. A plugged filter could result in costly repairs that can easily be…
April 1, 2011 How do I set the air pressure in my pressure tank? The air pressure in the tank should be set according to the low cut-in point of the pressure switch. Before setting the pressure, it is important to know what the low pressure cut-in is. There are two ways to determine this. The first is to…
What does the micron rating mean on a water filter cartridge? A micron is one millionth of a meter or about 0.0000393 inches. The average thickness of a human hair is 100 microns. A filter cartridge with a 5 micron rating will remove all particles 5 microns or larger from the water. Five microns would…
We have expanded our horizons and entered the world of blogging and social networking. The store, started in 1954, has gone through many changes. We have been selling on the Internet for over 10 years. Now, we at Keith Specialty store want to share our experiences, knowledge and expertise. We know about heating, cooling ,…
