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    L3901 Heater installation

    Hi Chim. Thanks for your reply. I have concerns about a rubber hose in the cab as well. Thanks for that. On your view from the top pic, is that the path out of the water pump? I know the return can go anywhere but the water is being pumped in that direction(up)? I noted your heater came with...
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    L3901 Heater installation

    So, from my reading on this site and talking to some guys at part stores it appears the spot to tap in is Before the thermostat but after the water pump? The return can be at this same spot or after the thermostat? I have the part number for the elbow but no dimensions on it. I would like to...
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    Need help installing heater

    Do ou have a pic of your tap in site? What is the part that you used?
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    Need help installing heater

    Question. What fitting did you use to tap into the bypass line? I am running 5/8" to/from my core on the roof but I am not sure what to use to tap in.
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    L3901 Heater installation

    There may already be a thread on this but it is not popping up in my search. I am installing a heater to the radiator hoses. The heater hoses are 5/8th. My questions are: Which hoses do I connect to? I have found some tees online that are 1 1/12 x 1 1/2 x 5/8". Any suggestions as to where to...