Where are L vents used?
Type L-Vent may be used as a chimney liner in an unoccupied masonry chimney. It may be used in conjunction with stainless steel flexible liners or connectors in chimneys with offsets. 2. Follow step 1 of Standard Interior Installation instructions for connection of vent to appliance.
What is a Type L vent pipe?
Type L vents are designed for venting approved oil-fired and natural-gas appliances that produce draft hood flue gasses that do not exceed a temperature of 570º F (299º C), or 926º F (299º C) for 10 minutes in an over-fire situation. Type L vents should not be used to vent coal- or wood-fired appliances.
What is the maximum temperature of flue products that a Type L vent is approved for?
570 °F
Additionally, Secure Seal (Models SSD/SSID up to 24”) is listed to UL 641 and ULC S609 as a Type L Vent for venting approved oil or gas appliances producing draft hood flue gases not exceeding a temperature of 570 °F (299 °C).
What is Type L chimney?
Type L Vents – Double Wall Metal Vents We use Type L-Vents, double-walled metal chimneys for venting heating appliances not only for fire safety but also because the insulation provided by the doubled walls improves draft – an important safety requirement when venting oil or gas fired appliances.
What is L vent made of?
They are always made with a galvanized exterior and an aluminum interior. The air space between walls is fairly small. This vent can be used as a vent or connector, and is quite inexpensive. Type L vents can be either a vent or a connector, and is made to vent oil.
Can I use B vent pipe for a pellet stove?
Safely vent your pellet stove for a direct vent through-the-wall install, to vent vertically through combustibles, or as connector stove pipe. Use as B-Vent pipe for low efficiency gas appliances.
What is the difference between Type A and Type B vent pipe?
Definition of Vent or chimney vent or flu vent: A metal chimney which is “thin walled” – either a single wall of metal or a thin double wall in some areas is called a “vent”. A double-walled metal flue used for venting gas fired appliances in the U.S. and Canada is a Type-B vent.
What is UL 1738 vent pipe?
– UL 1738 is a standard for Venting Systems for Gas-Burning Appliances, Categories II, III, and IV. – It covers both metallic and non-metallic materials and includes over 50 material and system performance tests.
What is the difference between a vent connector and the vent?
The vent is the metal thing that goes from the room that the water heater is in and rises up through the roof. It’ll typically be a straight vertical run of UL-listed double-wall class-B vent. The vent connector is the thing that connects the water heater to the vent.
Can you vent a pellet stove through the roof?
Venting is an important component of all stoves. And wood, gas, and pellet stoves have different venting systems. For instance, wood-burning stoves will always be vented through the roof of your house, but pellet-burning stoves can be vented vertically through the roof, or horizontally through the wall to the outdoors.
Why Metalfab commercial venting products?
Metal-Fab Commercial Venting Products division offers the most complete line of chimneys, vents, special vent for condensing appliances, fume exhausts, engine exhausts, and factory-built kitchen ventilation systems available. Our innovative product offerings are designed to meet the changing needs of the industry.
What temperature can A L vent be used on a furnace?
3. Metal-Fab L-Vent systems are listed for gas and oil furnaces that do not exceed 570°F at the outlet temperature, and for 1700°F for a 10-minute “safety over- fire” situation. Metal-Fab L-Vent is only allowed for use with appliances requiring a negative or neutral pressure venting system.
What is an L vent pipe?
1. Metal-Fab L-Vent pipe and fittings are intended for installation to form a continuous passageway from either. above the roof or horizontally through a wall. To comply with UL listings and Metal-Fab warranty, use only vent parts defined by these instructions or Metal-Fab brochure.
Why choose Metal-Fab?
Our principal beliefs are simple…Offer our customers the very best products available, and deliver those products faster than anyone in the industry. This philosophy has served us well, and Metal-Fab is recognized as a leader in the industries we serve. We remain a privately-owned business…. more