WaterFurnace 5 Series 3D 508C11 Outdoor Combo Geothermal Heat Pump

WaterFurnace 5 Series 3D 508C11 combo geothermal unit delivers forced-air and radiant heating, cooling, and hot water with smart Aurora/Symphony controls. Up to 27.8 EER/4.7 COP. Available in Canada via West Coast Geothermal, authorized dealer.

  • 3-in-1 Combo Functionality — Forced-air heating/cooling plus radiant hydronic heat and hot water
  • High Efficiency — Delivers up to 27.8 EER / 4.7 COP :contentReference[oaicite:2]{index=2}
  • Dual-Capacity Scroll Compressor — Reliable performance with noise-reducing mountings :contentReference[oaicite:3]{index=3}
  • R‑454B Low-GWP Refrigerant — Environmentally responsible cooling solution :contentReference[oaicite:4]{index=4}
  • Aurora Premium Controls — Performance, energy, refrigeration monitoring plus onboard diagnostics :contentReference[oaicite:5]{index=5}
  • Symphony Connected — Cloud-based platform for remote control and alerts :contentReference[oaicite:6]{index=6}
  • Variable-Speed ECM Blower — Smooth airflow when paired with air handler
  • Optional External Hot Water Pump — Integrates radiant floor and hot water systems
  • Durable Outdoor Cabinet — Designed to withstand external conditions
  • ENERGY STAR® Certified — Qualified at all sizes for closed-loop operation :contentReference[oaicite:7]{index=7}

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Specifications, details, and product information

WaterFurnace 5 Series 3D 508C11 Outdoor Combo Geothermal Heat Pump

The WaterFurnace 5 Series 3D 508C11 is a versatile outdoor combo geothermal unit delivering forced-air heating and cooling plus hydronic radiant floor heat and hot water (3-in-1 functionality). With outstanding efficiency—up to 27.8 EER / 4.7 COP—it combines Aurora Premium Controls and Symphony smart integration for superior comfort and control. West Coast Geothermal is an authorized Canadian dealer, providing expert installation and support across British Columbia.

Spec CategoryDetails
Model508C11
Series5 Series 3D
Sizes3 to 6 Ton (4 sizes)
EfficiencyUp to 4.7 COP / 27.8 EER (closed loop)
RefrigerantR‑454B (Low-GWP)
CompressorDual-Capacity Scroll UltraTech™ with isolation mount
BlowerVariable-Speed ECM (via matched air handler)
Cabinet ConfigurationOutdoor combo unit (forced-air + hydronic)
Stages3 Heat* / 2 Cool
ControlsAurora Premium Controller with monitoring + Symphony compatible
Air CoilAll‑Aluminum PinnaCoil®
Hot Water GenerationOptional external mount pump
Auxiliary HeatOptional internal mount on vertical configs
Zone ControlNot applicable (hydronic combo setup)
ENERGY STAR® CertifiedYes, all sizes (closed earth-loop)

*3 Heat / 2 Cool – aux heat where applicable. Efficiency per AHRI 13256‑1/2 closed loop ratings.