Product Information


         Quality & Comfort


Fraser-Johnston® Heating & Air Conditioning home comfort systems are designed and built to provide maximum quality, comfort, and efficiency to your home. Whether you're looking for a furnace, an air conditioner or a complete heating and cooling solution , your Fraser-Johnston® Dealer can evaluate factors such as your home's size, age, number of rooms, regional climate, and utility costs to select the best system for your home.



Get Certified



Fraser-Johnston® encourages professionalism through North American Technician Excellence, Inc.(NATE). NATE is the leading certification program for technicians in the heating, ventilation, air-conditioning and refrigeration (HVAC/R) industry, and is the only test supported by the entire industry.

Energy Star

Earning the ENERGY STAR® means products meet strict energy efficiency guidelines set by the U.S. Environmental Protection Agency and the Department of Energy. When compared to standard models, ENERGY STAR® products are between 15 and 25% more efficient. This model meets ENERGY STAR® requirements for energy efficiency.

ISO 9001 Certified Company


Selected Product Details and Documentation


Fraser-Johnston Heating and Air Conditioning


Product Details
MODELZK 15-25 ReliaPlus 100 MagnaDRY Reheat
PRODUCTZK -15 to -25 R-410A MagnaDRY Packaged Unit
CAPACITY15-25 Tons
EFFICIENCY<P>10.0-11.2 EER</P> <P>10.3-12.4 IEER w/ CV</P> <P>12.1-13.2 IEER w/ Intelli<EM>Speed</EM></P> <P>10.3-12.4 IEER w/ VAV</P>
Compressor5 years
Heat Exchanger10 years
Parts1 year
 Fraser-Johnston ZK MagnaDRY™ "Reheat" units are convertible single package high efficiency rooftops. With an additional humidistat the unit will remove moisture from the space without sensible cooling. All models have independent dual refrigerant circuits for efficient part load operation. Although the units are primarily designed for curb mounting on a roof, they can also be slab-mounted at ground level or set on steel beams above a finished roof.
  • Reheat Coil
  • Environmentally Friendly R-410A refrigerant
  • Simplicity Control Board
  • Scroll Compressors
  • Installation time and costs are reduced by easy power and control wiring.
  • All units are factory-wired, piped, charged, and tested prior to shipment.
  • Factory-installed options such as stainless steel heat exchanger, supply and return air smoke detectors, disconnect switch, powered or non-powered GFI convenience outlet, single enthalpy economizer, power exhaust, high static drive blower motor, phase monitor, coil guard, dirty filter switch, hinged filter door, and tooless access panels further reduce installation costs.
  • BAS factory mounted controls include Novar, Honeywell, Johnson, and CPC. 
  • Gas and electric utility knockouts are provided on unit side and bottom for easy connections.
  • Convertible airflow design means no panel cutting is required.
  • Wide range of indoor airflows using belt-drive blowers.
  • Durable finish, made of powder-painted, galvanized steel to meet 750-hour salt-spray test demands.
  • Full-perimeter base rails are permanently attached to provide a solid unit foundation.
  • Compressor is internally protected against high pressure and temperature.
  • Grooved copper tubes and enhanced aluminum- fin construction improve heat transfer.
  • Heat exchangers are corrosion-resistant, with aluminized steel tubular construction for durability and long service life.
  • Permanently lubricated condenser and evaporator fan motor bearings need no annual maintenance.
  • Complete line of field-installed accessories, propane and high-altitude conversion kits, smoke detectors, CO2 sensors, motorized dampers, single enthalpy economizers, and dual enthalpy sensors are available.


Consumer Brochure - Simplicity® Intelli-Comfort II™ and IntlliSpeed™ ControlsPUBL-7198-B-0713.PDF5134
Guide Specifications - Simplicity VAV Optional 15-25 Ton Packaged Product Comfort Control System407466-UGS-A-0508.pdf212
Guide Specifications - Simplicity® Intelli-Comfort II, with modbus Data Map902074-UGS-B-1212.PDF269
3-25 ton Packaged Product Low Leak Economizer, Jade and SSE Controller Update Webinar/PresentationLL_ECON_JADE_SSE_UPDATE_UPG_WEBINAR_07282014_V1.PDF2800
Submittal Data Sheet - 1FK0401 Side Duct Flange Kit258924-usd-b-1010.pdf43
Submittal Data Sheet - 1FK0402 Side Duct Flange Kit258464-usd-b-1010.pdf42
Submittal Data Sheet - 1RC0437 Roof Curb433507-fsd-c-0111.pdf69
Technical Guide - ZW/ZK/ZS -15 to -25 Series Gas/Electric Single Package Rooftop Air Conditioners5168278-BTG-J-0918.PDF2553
User Manual - ZS, ZK, ZW (-15, -20 & -25) Single Package Gas/Electric Air Conditioners66442-BUM-E-0718.PDF331
Technical Guide - ZW/ZK/ZS -15 to -25 Series Gas/Electric Single Package Rooftop Air Conditioners (SE Control)5168278-BTG-H-0917.PDF2568
Unitary Commerical Product Talking Points70010
(FJ)Florida Building Code (2014) Wind Cert.72020
Fraser-Johnston Commercial Guide Specs73650
Submittal Data Sheet - ZK-15 thru -25 MagnaDRY™ Single Package Gas/Electric Air Conditioners337208-FSD-G-0317.PDF328