Arctic Hybrid Heat/Chiller Tank 120 Gallon

  • $3,574.00


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Arctic Hybrid Buffer Tank – Pressurized Composite Buffer Tank

The Arctic Hybrid Buffer Tank is the only pressurized composite buffer tank on the market, designed to outperform traditional steel tanks. Better insulated, roughly half the weight, and completely rust-resistant, it’s an ideal solution for hydronic heating and cooling systems.

🔹 Key Benefits

  • Never Corrodes: Unlike steel tanks, Arctic tanks are built to last.

  • Lightweight Design: Approximately half the weight of comparable steel buffer tanks, reducing labor costs during installation.

  • Energy Efficient: Reduces heat pump short cycling during low load periods, improving overall system efficiency.

  • Hydraulic Separation: Four-port design separates supply and demand, allowing independent circulation for heat sources and loads.

⚙️ Specifications & Construction

  • Core: NSF-approved polypropylene wrapped in continuous strand fiberglass with high-temperature resin

  • Maximum Ratings: 180°F at 75 PSI, 140°F at 100 PSI

  • Insulation: Closed-cell foam with R-value unmatched by competitors; heat loss <1°F per hour

  • Sizes Available: 22, 40, 55, 80, 120 gallons

  • Ports & Features: 4 stainless steel side ports, thermal well (except 22-gallon), vent, vacuum breaker, and drain

🔹 Operation & Function

The Arctic Hybrid Tank acts as a thermal energy battery, storing heated or chilled water for use when needed. By separating the high-flow heat pump or boiler circuit from the system’s hydraulic loads, it:

  • Reduces short cycling of heat pumps, chillers, or boilers

  • Balances multiple low-BTU loads calling at different times

  • Serves as both a thermal buffer and hydraulic separator when properly piped

🔹 Highest Efficiency

With 41% less heat loss than comparable tanks, the Arctic Hybrid Buffer Tank maximizes energy savings while ensuring long-lasting, rust-free performance. Its superior insulation and composite construction make it the most efficient and durable buffer tank available.

Model Volume (Gal) Volume (L) Ht. (in.) Ht.(cm.) Dia. (in.) Dia. (cm.) Weight (lbs) Weight (kg) System Connections
Buf 22 22 83 35" 89 21 53 42 19 1 1/4"
Buff 40 40 151 56" 142 21 53 55 25 1 1/4"
Buf 50 55 208 73" 185 21 53 70 32 1 1/4"
Buf 80 80 302 54" 137 29 74 120 54 2"
Buf 120 119 450 74" 188 29 74 145 66 2"

Documents and guides: 

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Disclaimer: Must be installed by a licensed contractor or warranty is void.

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