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It has a shutter for protection and provides reliability in various environments
Supports systems up to 4 tons
Durable PVC construction for long-lasting performance
40 amp DPDT electromechanical time switch designed for flexible
and other fluid temperature monitoring systems
Metal-Fab 4M3 Double Wall Vent Pipe, 4 in x 3 ft voomi_id_20614 It has a shutter forProduct Description The Metal Fab 4M3 is a double wall gas vent pipe designed for use with category I appliances. This venting solution meets NFPA standards and is ideal for installations involving gas boilers, fireplaces, and furnaces. Constructed with an aluminum alloy flue and a galvanized steel casing, it ensures durability and safety in operation. Size: Four inches in diameter and three feet in length Type: Double wall, round, Type B gas vent
