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The Master Group sells only in the provinces of Ontario, Quebec and the Maritimes.

25 to 40 Tons

See York 25 to 40 Tons
25 to 40 Tons York
Rooftop Unit Z** (25-40 Tons) York

Rooftop Unit
Z** (25-40 Tons) 310-502 MBH

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  • Double-wall construction with galvanized sheet metal liner to protect against microbial growth
  • Rigid sheet metal inner liner to keep insulation out of the airstream
  • Sloped drain pan protects against pan corrosion and bacterial growth
  • Pitched roof design for natural drainage
  • Scroll compressors for efficiency and durability. Multiple refrigeration circuits for greater turndown and the best unloading capabilities in the industry
  • Extended flue connection on gas units to eliminate the possibility of corrosion in the furnace heat exchanger
  • Constant air volume or Variable air volume by inlet guide vanes or variable frequency drive
  • Full range of airflows and static pressures to meet most every application requirement
  • Single power point connection for gas and electric
  • Simple controls that are easy to understand, apply, and update
  • Rain hoods rotate into place—an easy one-person job
  • Easy service access with hinged and latched doors on both sides of the unit
  • Durable finish, made of powder-painted, galvanized steel to meet 1,000-hour salt-spray test demands
  • Optional head pressure control where mechanical cooling is required below 40°F; allows compressor operation down to 0°F
  • Optional high-efficiency motors are easily installed to meet tighter codes
  • Complete line of factory-installed accessories, including economizers, electric heat, power exhaust, a variety of blower horsepower ratings, and more
  • Optional Systhesys® Unitary Control system. Designed for stand-alone operation or connection via N2 or LON connection for BAS compatibility

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