Hydronic Heater Marine
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Marine Heater Installation Instructions - For the following HEATER model numbers: 200, 300, 400, 500 Series Hydronic Heaters Approximate Installation Time: 3-5 Hours Tools Required: #2 Phillips Screw Driver; Power Drill; 7/64” Drill Bit; 1”-4” Hole Saw; Hose Cutter; Wire Crimper; Teflon Plumbers Tape; Marine Sealant; Pencil. 6672 W. Boekel Rd. Rathdrum, ID. 83858 | (208) 687-4400 | www.heatercraft.com

Guidelines and Definitions These instructions contain information that is important for you to know and understand. The information provided relates to safety issues for the installation and use of our products. To help you identify important information, we use the following system. Warning Important safety information – A hazard that may cause an injury, serious injury, or loss of life. Caution Information for preventing improper operation of, or damage to equipment. Note Information pertaining to the installation, operation, and/or maintenance of this product that should pay special...

3. Route and secure the heater water/coolant hoses between the heater unit location and the hot water source. Engine Warning- Hot engine coolant can cause severe burn! Never open the cap on a hot radiator. Some vehicles are equipped with electric fans that may start without warning even with the engine shut off. Wait until the engine has cooled completely before installation. Note- Due to the wide variety of engine applications, the following are general instructions for a gasolinepowered engine hook-up. Please call technical support at (208)687-4400 with your questions regarding your...

Secure the vent hose with a plastic wire tie or hose clamp. 8. Route the vent hose to the heater unit. Note- Route the vent hose in a way that prevents damage from gear or persons. 9. Cut the vent hose to length, attach with a plastic wire tie or hose clamp to secure in place. Wiring the Fan Motor The wire leads from the blower are color coded and correspond as follows: YELLOW- Low Speed RED- Medium Speed ORANGE- High Speed BLACK- Ground E-112 3-Speed Rotary Switch connection instructions Terminal 1 or A- Yellow blower wire Terminal 2 or B- Red blower wire Terminal 3 or C- Orange blower...

Caution- Do not exceed 35 psi when blowing out the heater core. Freshwater Closed Cooling It is not necessary to winterize as long as you are using a sufficient water/anti-freeze solution as needed for the climate conditions in your area. Optional Equipment H415 In-line Circulation Pump 1. Locate and mount the pump. Note- Do not mount the pump into the bilge or any location where it may become submerged. The warranty for the pump will be void if, upon disassembly, we determine that the pump has been submerged in water for any length of time. 2. Cut the return water hose from the heater...

Heater Craft 4 Year/48 Month Limited Warranty Heater Craft warrants your Hydronic Heater System and Shower/ Wash Down System to be free from defects in material and craftsmanship under normal use and service by the original consumer purchaser for a period of four (4) years from the date of purchase. This limited warranty excludes to the circulation pump, if applicable. The warranty is null and void if the system has been damaged by accident, improper installation, unreasonable use, lack of proper maintenance, unauthorized repairs or modifications, or causes not arising from defects in...