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Product Description
Modine HSB18 Horizontal Hydronic Unit Heater Features:
• Horizontal airflow.
• Top and bottom steel female pipe connections. This permits the unit to be rotated 360° without piping changes.
• Copper tubes.
• Aluminum fins.
• Adjustable louvers.
• Balanced fan.
• Fan guard.
• Motor and electrical junction box.
• Units have a 2-piece casing for easy coil access.
• The HSB-18 mounts directly to and is supported by the supply and return piping.
• Serpentine copper tube coil design has high resistance to thermal shock, even under high steam pressures.
• Absence of coil headers eliminates potential leaks and increases coil face area without increasing the size of unit.
• Coil designed for greater water carrying capacity with lower friction loss.
• Horizontal airflow.
• Top and bottom steel female pipe connections. This permits the unit to be rotated 360° without piping changes.
• Copper tubes.
• Aluminum fins.
• Adjustable louvers.
• Balanced fan.
• Fan guard.
• Motor and electrical junction box.
• Units have a 2-piece casing for easy coil access.
• The HSB-18 mounts directly to and is supported by the supply and return piping.
• Serpentine copper tube coil design has high resistance to thermal shock, even under high steam pressures.
• Absence of coil headers eliminates potential leaks and increases coil face area without increasing the size of unit.
• Coil designed for greater water carrying capacity with lower friction loss.
Additional Information
| Model And Description | Modine | HSB18 Horizontal Hydronic Unit Heater | Top And Bottom Piping | 12,600 BTU/HR (200F Water) / 18,000 BTU/HR (2 PSI Steam) | 340 CFM |
| Brand | Modine |
| Energy Source | Hot Water / Steam |
| Voltage | Available in 115 / 208 / 230 / 460 / 575 Volts - 1 / 3 Phase 60 Hertz |
| Capacity | 12,600 BTU/HR (200F Water) / 18,000 BTU/HR (2 PSI Steam) |
| Airflow | 340 CFM |
| Product Type | Horizontal Air Delivery Hydronic Heater |
| Dimensions | Cabinet With Standard Motor: 12-3/8"H x 13"W x 11"D Cabinet With Explosion Proof Motor: 12-3/8"H x 13"W x 18-1/4"D |
| Weight | 16 Pounds |
| Link To Catalogs | Modine HSB-18 Hydronic Unit Heater Catalog
Modine HSB-18 Hydronic Unit Heater Installation Guide |
| Warranty | 1 Year Parts Only. |
| Availability | Typically 4-8 business days for production + 2-4 business days for standard ground freight. Occassionally in stock. Call for current leadtimes. |
| Shipping | As always, shipping in the USA (lower 48 states) is included. Orders less than 100 lbs ship via UPS Ground. Larger orders ship via truck (FedEx Freight, Roadway Express, Old Dominion, etc). Local pick-ups at the factory are not allowed. Please contact us for shipping quotes to Hawaii and Alaska. |
| Questions | If you have any questions, please EMAIL or call Toll Free: 877-301-4660. |



