The Espar Hydronic D5WSC independent auxiliary coolant heater offers affordable pre-heating and supplemental heating solutions for many applications, including marine. Their compact size enables a simple installation and eliminates the need for electrical plug-ins. The diesel-fired Hydronic D5WSC puts out 17,100 btu of clean heat to keep you warm and comfortable, no matter the weather or season. While others wait for the engine to warm up, with on-board heat from Espar, you’re already en route to your destination. Available in a wide range of thermal outputs to closely match your heating needs, Espar heaters are compact, convenient and economical to operate. A Hydronic water or coolant heater offers full internal heat control, supplemental cabin heating, and domestic hot water facilities, while consuming minimal amounts of electrical power and fuel. The D5WSC comes with an external mounted fuel metering pump.

Hydronic D5WSC Heater Benefits:

• Produces up to 17,100 btu/hour of heat output at 4.2 amps
• Automatic heat regulation through multiple heat levels
• Low fuel and power consumption
• Eliminates electrical plug-ins
• Provides instant heat and defrost, eliminating cold starts
• Easy to install and maintain
  
• Self-Diagnostics
• EPA verified/CARB compliant for use anywhere in North America

 Hydronic D5WSC Heater Applications:

• Trucks
• Vans/Campervans
• R/V's
• Buses
• Boats (requires a marine heater kit)

*Note this is only the heater unit. For a new installation or replacement of an older heater, additional parts may be needed. Refer to our general hydronic heater kit list for details. Contact us at 206-548-1306 for more information.

 Espar Hydronic D5WSC Technical Spec Sheet

 Espar Marine Product Brochure

Use the guide below to help you determine what heater you need for your boat.

Technical Spec Sheet