3.5 Ton 14 SEER Goodman HEAT PUMP Split System GSZ140421+ASPT47C14 Install Kit

This system is being phased out. Follow the link below to the new SEER2 model.

3.5 Ton 14.5 SEER2 Goodman Heat Pump Split System GSZB404210+AMST42CU1400 (


Install Kit Includes:

* 50′ Copper Insulated Line Set
* Drain Float Switch
* 6′ Electrical Whip
* 60 amp non fused disconnect
* Plastic Condenser Pad 
* Digital Thermostat
* Heat Strip up to 10 kw

Standard Features

• Energy-efficient compressor

• Single-speed condenser fan motor

• Factory-installed filter drier

• Copper tube/aluminum fin coil

• Service valves with sweat connections and easy-access gauge ports

• Contactor with lug connection

• Ground lug connection

• AHRI Certified; ETL Listed

Cabinet Features

• Heavy-gauge galvanized-steel cabinet with a louvered sound control top

• Attractive Architectural Gray powder-paint finish with 500-hour salt-spray approval

• Steel louver coil guard

• Top and side maintenance access

• Single-panel access to controls with space provided for field-installed accessories

• When properly anchored, meets the 2010 Florida Building Code unit integrity requirements for hurricane- type winds (Anchor bracket kits available.)

 Nominal Capacities GSZ140421
Cooling (BTU/h) 42,000
Heating (BTU/h) 42,000
Decibels 75
RLA 16.7
LRA 109.0
Type Scroll
Condenser Fan Motor
Horsepower 1/6
FLA 1.1
Refrigeration System
Refrigerant Line Size¹

Liquid Line Size (“O.D.)

Suction Line Size (“O.D.) 1⅛”
Refrigerant Connection Size
Liquid Valve Size (“O.D.) ⅜”
Suction Valve Size (“O.D.) ⅞”
Standard Line Set Length (max. feet) 80
Long Line Set Length (max. feet) ²

Equivalent Length

Linear Length 200
Vertical Length (outdoor below indoor) 80
Vertical Length (outdoor above indoor) 80
Valve Connection Type Sweat
Refrigerant Charge 153
Electrical Data
Volts/Phase (60 Hz) 208-230/1
Minimum Circuit Ampacity ³ 22.0
Max. Overcurrent Protection ⁴ 35
Min / Max Volts 197 / 253
Electrical Conduit Size ½” or ¾”
Unit Weights
Equipment Weight (lbs.) 191
Ship Weight (lbs) 207
ENERGY STAR® Certified ^

Product Features

-Internal factory-installed thermal expansion valves for cooling and heat pump applications

-Direct drive, multi-speed ECM blower motor

-All-aluminum evaporator coil

-Coil mounting track for quick repositioning

-Optimized for use with R-410A refrigerant

-Cabinet air leakage less than 2.0% at 1.0 inch H₂O when tested in accordance with ASHRAE standard 193

-AHRI certified; ETL listed

-Tool-less filter access

-Field Installed 3 kW – 25 kW electric heater kits available

-Rigid SmartFrame™ cabinet

-Horizontal or vertical configuration capabilities

– 21” depth for easier attic access

-DecaBDE-free thermoplastic drain pan with secondary drain connections

– Screw-less sides and back helps to reduce condensation when installed in humid locations

-Foil-faced insulation covers the internal casing to reduce cabinet condensation

– Galvanized, leather grain-embossed finish

-Glue-less cabinet insulation retention

Nominal Ratings 42,000
Cooling (Btu/h)
Diameter 10⅝”
Width 10⅝”
Coil Connections
Liquid ⅜”
Suction ⅞”
Coil Drain Connect (FPT) ¾”
Electrical Data
Voltage 208/230
Minimum Circuit Ampacity 4.9 / 4.9
Max. Overcurrent Device (Amps) 15 / 15
Minimum VAC 197
Maximum VAC 253
Blower Motor
Full Load Amps (FLA) 3.9
Horsepower (HP) ¾
Ship Weight (Lbs.) 144