Water-to-Air Heat Exchanger Coil, 14 x 14 in, 65K BTU

Water to air heat exchanger coil delivers fast, efficient heat transfer for outdoor wood furnaces and hydronic HVAC systems—helping you move more heat into forced-air spaces with a compact 14 x 14 in finned tube design. Copper tubes and aluminum fins maximize conductivity while vacuum-brazed construction supports dependable, leak-resistant performance. Designed for heating and cooling loops in homes, farm shops, grow rooms, and commercial applications where consistent output and durable materials matter.

• Delivers up to 65,000 BTU/h heat capacity for hydronic heating and cooling performance


• Fits 14 x 14 in (356 x 356 mm) heat transfer area with 169 fins for strong air-side exchange


• Includes seamless 3/8 in copper tubes (3 rows) with copper inlet/outlet for efficient flow


• Resists leaks with high-pressure vacuum brazing and leak-tested coil construction


• Handles -40 to 356 °F operating range for demanding outdoor and mechanical-room installs

Built for quick integration into forced-air hydronic setups, this finned tube HVAC coil helps solve common pain points like slow heat delivery, inconsistent room temps, and undersized exchanger surfaces. The epoxy-coated aluminum fins are designed to reduce scale buildup over time, while the galvanized steel plate supports sturdy mounting in air handlers, ductwork, and custom plenums. Ideal for residential hydronic systems, outdoor boilers, hydroponic grow rooms, and shop heating where reliable output and compact sizing are essential. Grab yours today and complete your heating loop with a coil sized for real-world airflow.

• Plate area: 14 x 14 in / 356 x 356 mm


• Heat capacity: ≥65,000 BTU/h


• Product dimensions: 19.3 x 14.0 x 3.5 in / 491 x 356 x 89 mm


• Port size: 1.1 x 1.4 in / 28.6 x 35 mm


• Max working pressure: 2.5 MPa / 362.6 psi


• Tube layout: 3 rows, 3/8 in seamless copper tubes


• Number of fins: 169


• Materials: copper tubes & inlet/outlet, aluminum fins (epoxy-coated), galvanized steel plate


• Operating temperature: -40 to 356 °F


• Net weight: 12.6 lb / 5.7 kg