AH Series Water-Source Heat Pump

Purpose‑built for seamless integration with hydronic systems.

AH Series Water-Source Heat Pump

Efficiently Designed to Meet Advanced Hydronic Requirements

The YORK® AH Series Water‑Source Heat Pump is purpose‑built to meet the demands of hydronic heating and cooling applications, combining two‑stage compressor technology with high‑temperature operating capability for enhanced system performance. Available in capacities from 2 to 6 tons with multiple voltage configurations, it delivers consistent, efficient operation across both new construction and retrofit projects. Engineered for quiet, reliable performance, the AH Series features durable construction and integrates seamlessly into a wide range of hydronic system designs. Utilizing low‑GWP R‑454B A2L refrigerant, it supports sustainability objectives while aligning with current regulatory requirements.

Benefits

Hydronic Capability

HYDRONIC CAPABILITY

The unit’s hydronic capability provides top performance due to its two-stage compressor and high operating temperatures.

Application Versatility

APPLICATION VERSATILITY

Ideal for load side applications, uses include hydronic baseboard heating, hydronic in-slab floor heating and more.

Numerous Configurations

NUMEROUS CONFIGURATIONS

Available from 2 to 6 tons, the unit includes a wide range of voltages

LOW EMISSIONS

The R-454B refrigerant has a low global warming potential (low-GWP) that meets the AIM Act criteria

Features

Floating compressor base
Dual refrigerant freeze sensors
Heat recovery package (select units)
Schrader charging valves
Optional compressor blanket

Unit protection module
Extended range
Galvanized steel cabinet
Comfort alert module
Optional flow proving switch

Technical Resources

Document Name

Description

Language

Resource Type

AH

39227_YORK_2026WSHPProductCatalog_FINAL_DIGITAL (English)

AH

39227_YORK_AH_AW One Sheet_060826_CF_v1 (English)

No resource found for selected filter

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