Quote:
Originally Posted by MetroMPG
Here's a 1.5kw heater with pump:
Buy it now for USD $70
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Those Katz heaters are effectively the same as the Zerostart I bought... there's no internal pump, the seller is mistaken and the circulation is from the heated coolant rising only. Katz' marketing material is a little confusing and when I first started looking at them I thought they had an internal pump also.
My "100's of dollars" comment was based on pricing replacement auxilliary coolant pumps out of luxury cars (Merceded, Lincoln, etc.) that use a pump at idle to keep heater core flow high, and also replacement coolant pumps for fuel-fired diesel engine heaters.
Quote:
Originally Posted by MetroMPG
You'd want a timer, too, obviously.
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Timer - check! Got a 15A Noma that I plug my extension cord into, on sale at CT last winter.