The Guardian by York 1.5 Ton 14.3 SEER2 Heat Pump Air Conditioner Condenser with R-454B Refrigerant (RH418E2S11) is an outdoor heat pump condensing unit designed for compatible residential split-system HVAC applications. It provides 1.5-ton nominal capacity, 14.3 SEER2 cooling efficiency, and R-454B refrigerant for year-round heating and cooling.

The RH418E2S11 features a single-stage rotary compressor and is designed to be matched with compatible Guardian indoor coils, furnaces, and air handlers. Guardian lists compatible 1.5-ton system combinations, including a matched JHE air-handler system rated at 14.3 SEER2, 12 EER2, and 7.5 HSPF2.

Key Features

• 1.5 Ton Capacity – Designed for residential heating and cooling applications
• 14.3 SEER2 Efficiency – Provides efficient seasonal cooling performance
• R-454B Refrigerant – Uses lower-GWP A2L refrigerant technology
• Heat Pump Operation – Provides both heating and cooling
• Single-Stage Rotary Compressor – Designed for dependable operation
• Split-System Compatible – Designed for use with compatible Guardian indoor equipment
• 208/230V Operation – Designed for standard residential single-phase electrical service
• Copper Refrigerant Connections – Uses 3/8" liquid and 3/4" vapor lines

Product Specifications

• Brand: Guardian by York
• Model: RH418E2S11
• Product Type: Heat Pump Condenser
• Nominal Capacity: 1.5 Ton
• Nominal Capacity: 18,000 BTU
• Efficiency: 14.3 SEER2
• Refrigerant: R-454B
• Compressor Type: Rotary
• Compressor Configuration: Single Stage
• Voltage: 208/230V
• Phase: Single Phase
• Frequency: 60 Hz
• Liquid Line: 3/8"

Benefits

• Provides both heating and cooling from one outdoor unit
• Offers 1.5-ton capacity for compatible residential applications
• Delivers 14.3 SEER2 cooling efficiency
• Uses R-454B refrigerant technology
• Features a factory-installed hard start kit
• Designed for matching with compatible Guardian indoor equipment
• Provides a compact outdoor-unit footprint

Compatibility & Installation

The Guardian RH418E2S11 is designed to be matched with compatible Guardian indoor coils, furnaces, and air handlers. Guardian's published system data includes a 1.5-ton RH418E2S11 + JHE air-handler combination rated at 14.3 SEER2, 12 EER2, and 7.5 HSPF2.

Installation considerations:

• Verify the 1.5-ton system size is appropriate for the application
• Confirm the outdoor unit and indoor equipment are properly matched
• Verify electrical and refrigerant-line requirements
• Follow applicable R-454B/A2L installation and safety requirements
• Confirm proper airflow and ductwork configuration
• Follow manufacturer installation instructions and local codes
• Installation should be completed by a qualified HVAC professional

Frequently Asked Questions

What size is the Guardian RH418E2S11?
It is a 1.5-ton heat pump condenser with a nominal 18,000 BTU capacity.

What is the SEER2 rating?
The RH418E2S11 is designed for 14.3 SEER2 matched system configurations.

What refrigerant does this heat pump use?
It uses R-454B refrigerant.

Does the RH418E2S11 provide heating and cooling?
Yes. It is a heat pump condenser designed for both heating and cooling.

What type of compressor does it use?
The RH418E2S11 uses a single-stage rotary compressor.