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hi, as discussed in a previous thread, i thought i would throw together this install guide for the 120. Probably similar on 90's and 150's... and most other cars. I installed the unit in parallel to be able to reduce the heat of the HE without reducing the shower flow.
1. I bought the red unit from helton, double coiled and hot as you please.
2. there are two bolts in the firewall on the passenger side, the bolts match up with the supplied nulock nuts so that was the spot. I used a little piece of 3mm flat bar to bridge the bolts to offer more support and to space out a little bit as the bolts are a little too long.
3. fix the unit to the brackets with the red tab at the top
4. undo the heater hose connection going into the cabin on the firewall (the hose that passes over the top of the motor), attach a small bit of hose and a T piece on the original metal tubing.
5. attach a bit of hose from the t piece back to the red barb on the HE. This is the coolant inlet.
6. attach another T piece on the original hose removed from the cabin heater barb in step 4 and attach another length of hose from that T piece to the blue barb on the HE. This will be the return line for the coolant once it has passed through the HE.
7. both T pieces will have an exposed barb at this point, get another piece of hose to bridge these two barbs and cut it in half. install the reducer (ball valve with 5/8 male tails) into this line. This is the bypass for the HE. opening and closing this tap increases or reduces the heat in the HE.
8. attach some nitto plugs (one male and one female) to some hose and fix it under the bonnet. attach one to the red and one to the blue 10mm barbs on the HE.
9. attach the corresponding nitto plug to a length of hose to be the pickup line. I put a bilge pump on the end of this to draw the water.
10. attach the last nitto plug to another length of hose with a shower rose on the other end.
11. plug in the bilge pump and crank the motor. Test the water coming out. after a long drive the water will be scalding... use this for washing up water. open the ball valve and less coolant will be going through the HE, use this for showering.
Tadaaa
Just need to fashion up some way of holding the shower rose on the aerial... I would be using the shower in a shower tent if I was near people, but where I usually go up the beach I dont mind a bit of open air showering.
if you use an under bonnet water pump, which i may upgrade to, install it between the hose connection and the blue barb on the HE.
The fancy hose spring mabobbies were just coiled coat hangers.
1. I bought the red unit from helton, double coiled and hot as you please.
2. there are two bolts in the firewall on the passenger side, the bolts match up with the supplied nulock nuts so that was the spot. I used a little piece of 3mm flat bar to bridge the bolts to offer more support and to space out a little bit as the bolts are a little too long.
3. fix the unit to the brackets with the red tab at the top
4. undo the heater hose connection going into the cabin on the firewall (the hose that passes over the top of the motor), attach a small bit of hose and a T piece on the original metal tubing.
5. attach a bit of hose from the t piece back to the red barb on the HE. This is the coolant inlet.
6. attach another T piece on the original hose removed from the cabin heater barb in step 4 and attach another length of hose from that T piece to the blue barb on the HE. This will be the return line for the coolant once it has passed through the HE.
7. both T pieces will have an exposed barb at this point, get another piece of hose to bridge these two barbs and cut it in half. install the reducer (ball valve with 5/8 male tails) into this line. This is the bypass for the HE. opening and closing this tap increases or reduces the heat in the HE.
8. attach some nitto plugs (one male and one female) to some hose and fix it under the bonnet. attach one to the red and one to the blue 10mm barbs on the HE.
9. attach the corresponding nitto plug to a length of hose to be the pickup line. I put a bilge pump on the end of this to draw the water.
10. attach the last nitto plug to another length of hose with a shower rose on the other end.
11. plug in the bilge pump and crank the motor. Test the water coming out. after a long drive the water will be scalding... use this for washing up water. open the ball valve and less coolant will be going through the HE, use this for showering.
Tadaaa
Just need to fashion up some way of holding the shower rose on the aerial... I would be using the shower in a shower tent if I was near people, but where I usually go up the beach I dont mind a bit of open air showering.
if you use an under bonnet water pump, which i may upgrade to, install it between the hose connection and the blue barb on the HE.
The fancy hose spring mabobbies were just coiled coat hangers.
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