GLIND HEAT EXCHANGER INSTALLATION INSTRUCTIONS

TOOLS AND MATERIALS REQUIRED

• GLIND Heat Exchanger

• 5/8” rubber hose (suitable for coolant)

• 5/8” molded hose for tight angles (if needed)

• 5/8” couplers for joining hoses

• #12 hose clamps for 5/8” hose connections

• Strainer or filter for the water pump

• 1/2” vinyl tubing for the water line, rated to 150°F minimum

• #06 and/or #006 hose clamps for water line connections

• Mounting hardware for the pump

• Screwdrivers (flathead), drill and driver with necessary bits

• Sockets and wrenches (10mm for the included bracket)

• Hose/pipe cutter or sharp tool for cutting hoses

• Tool for pinching coolant hoses (e.g., fluid line clamps, pinch-off pliers, or vice grips with cardboard)

• Coolant (compatible with your engine system)

• Mounting brackets (included, or fabricate a custom bracket)

• Zip ties or clamps for securing hoses

STEP 1: SELECT A MOUNTING LOCATION

1. Choose a secure, stable location near the engine’s cooling system and within reach of your water pump and fresh water supply.

2. Ensure there is enough space for easy access to the inlet and outlet connections.

3. Avoid placing the heat exchanger near sharp edges, moving parts, or areas exposed to high vibration.

STEP 2: MOUNT THE HEAT EXCHANGER

1. Use the provided mounting brackets or fabricate custom mounts if needed.

2. Secure the heat exchanger firmly in place using screws or bolts.

3. Double-check that the unit is stable and does not interfere with other components.

STEP 3: CONNECT THE COOLANT LINES

1. Identify the coolant input and output ports on the heat exchanger.

2. Locate the vehicle’s or engine’s coolant hoses—typically the feed line to the dash heater core.

3. Pinch off and cut the coolant hoses where the heat exchanger will be installed.

4. Attach one end of the coolant hose to the input port and the other to the output port of the heat exchanger.

5. Secure the hoses with hose clamps and tighten them securely. Remove the pinch-off clamps.

6. Refill the engine’s coolant system with the appropriate coolant.

STEP 4: INSTALL THE FRESHWATER PUMP

1. If a water pump is not already installed, select a location that is "high and dry."

2. Mount the pump, following the same guidelines as the heat exchanger.

3. Follow the pump manufacturer’s instructions for installation and wiring. A switch and fuse are required.

*Note:* Ensure the pump is compatible with the heat exchanger’s flow requirements (1–3 GPM is ideal).

STEP 5: CONNECT THE FRESH WATER LINES

1. Locate the fresh water inlet and outlet ports on the heat exchanger. These will flow **opposite** to the coolant direction.

2. Attach a hose to the inlet port and connect it to the outlet of the pump.

3. Connect another hose to the outlet port, leading to your water system (e.g., sink or shower).

4. Attach a hose to the inlet of the water pump and connect it to your water source.

5. Install a strainer or filter on the inlet side of the pump to prevent debris from entering the system.

6. Secure all hoses with clamps.

STEP 6: CHECK FOR LEAKS

1. Turn on the vehicle or boat engine to circulate coolant through the system.

2. Activate the water pump to check water flow through the heat exchanger.

3. Inspect all hose connections for leaks. Tighten clamps as necessary.

STEP 7: TEST THE SYSTEM

1. Allow the system to run for approximately 10 minutes.

2. Check that hot water is being produced on the outlet side of the heat exchanger.

   - If your vehicle is fitted with a heater valve, set the dial to "hot" on the dashboard.

3. Monitor the engine’s coolant temperature to ensure normal operation.

STEP 8: FINAL INSPECTION

1. Secure all hoses and wires with zip ties or clamps.

2. Double-check that all fittings are tight and there are no leaks.

3. Ensure the heat exchanger is not vibrating or moving while the engine is running.

MAINTENANCE TIPS

• Inspect all hoses and clamps regularly for wear or leaks.

• Winterize the system if you are in an area with freezing temperatures.

• Replace coolant according to your vehicle’s or boat’s maintenance schedule.

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IMPORTANT NOTES

1. **CAUTION**: If a temper valve is not fitted, a small amount of initial water from the unit can be **very hot**. Use caution when dispensing hot water.  This is due to water resting in the coils for longer that usual.

2. Do not attempt to disassemble or modify any part of the Heat Exchanger or the brass fittings on the Heat Exchanger, as it is fully sealed. Such actions will void the ’24-month manufacturer’s warranty from the date of purchase.’

   - To achieve tight or acute bends, utilize the pre-molded heater hose provided with the kit. Additional hose is also available on the PRODUCTS page.

Feel free to reach out with any further questions