Reznor UDX300 Aluminized Power Vented Gas Unit Heater ODP 115V, 2-Stage Gas Valve - Factory Installed SF Motor Options:Default This particular FlexDuct is 4"

This particular FlexDuct is 4" (100 mm) in diameter

and connector kit

The shut off mechanism is there for security and safety for those times when you need to leave the house

Ignition Module (Lockout) Ipi Ignition (Robertshaw)

H 45 cm x W 138 cm x D 34

Reznor UDX300 Aluminized Power Vented Gas Unit Heater ODP 115V, 2-Stage Gas Valve - Factory Installed SF Motor Options:Default This particular FlexDuct is 4"Overview Reznor HVAC has 130 years of experience manufacturing a wide range of industry leading industrial and commercial HVAC products. Reznor built its reputation by providing reliable, high quality heating, ventilation and cooling systems. Since its founding in 1888, Reznor has remained at the forefront of HVAC technology. Reznor is a global leader thanks to its innovative, extended range of gas fired unit heaters, air handlers, condensers and