Thread: 47-55.1 Heater Control Options
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Old 11-15-2022, 04:08 PM   #11
mr48chev
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Location: Toppenish, WA
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Re: Heater Control Options

Quote:
Originally Posted by vintovka View Post
Have this installed but doesn't seem to regulate temp in cab correctly, Have it connected to block flow from the pump.
That may be the problem, coolant doesn't flow "from" the pump through a heater hose it returns to the pump through the heater hose. It flows from the top side of the cooling system before the coolant gets to the thermostat through the hose to the heater and then returns to the pump. Just as coolant flows through the thermostat housing to the upper hose and top of the radiator and then out the lower hose to return to the pump.
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