Pre fabricated plenum roof curbs are available in the following.
Roof top hvac plenum.
They are designed to be used with multiple different brands and can be customized for your ductwork needs.
W x 20 in.
Plenum curb will convert a dedicated down discharge roof top unit into a plenum curb.
Rooftop heat pumps extremely efficient heating and cooling best for temperate regions.
R410a roof top air conditioners high pressure switch lockout circuit air conditioners and heat pumps using r410a refrigerant utilize a factory installed high pressure switch safety circuit.
Supply and or return plenums with field cut openings in roof curb floor.
The trim to fit plenum fully assembled measures 20 in.
At above right is a complex of roof mounted ac heat pump systems on a christchurch new zealand high.
Rooftop mounted central air conditioning systems may include both the cooling unit evaporator coil blower fan filters and the compressor condenser unit in one package.
Constructed of 26 gauge sheet metal the knock down design of the plenum takes up very little space and simplifies transporting to the job site.
D x 47 in.
Commercial rooftop mounted combined air conditioning or heat pump units.
And is designed for use with all heating and cooling applications.