Thread: Need a Cooling Fan Switch- 2 TEMP set points
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Old 09-09-2009, 08:18 AM
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kitcarbp kitcarbp is offline
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Dave, I searched NAPA on-line and here is close to what I need, these are 3 pin switches, but these are metric 22x1.5 threads, I want 1/4" or 3/8 NPT.

[Echlin # ECH FS 151 Switch Attributes
# Switch Terminals : 3

Coolant Fan Switch Temp Rating :
Terminals "+' & "1" Close At 190-209 Deg. F. Ascending;

Terminals "+" & "2" Close At 209-226 Deg F. Ascending.

Coolant Fan Switch Thread Size : M22x1.5

Terminal Type : Male Spade


This type of switch is $25 and saves the cost of a $200+ speed variable controller.
Since I am running twin fans, I want to control their turn-on points separately.
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Last edited by kitcarbp; 09-11-2009 at 09:06 AM..
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