before i would spend any money on the old 3 knob i would consider a digital control. set it on the temp you want and done. the 3 knob you have to guess at the temp and mine was all over the place, wifes too hot then to cold, digital is the only way to go.
i've reposted from one my earlier ones
heres what i put on my f32 last year and has worked perfect took about 15 minutes to wire/install simple simple. prices may be different but should still be in the ballpark
here a picture you can see it installed in my boat
here is a copy of my post
PostPosted: Sun Dec 16, 2007 11:57 am Post subject: fx 1 Reply with quote Edit/Delete this post
here you go
i replaced my rotary 3 knob contols with this micro air fx-1 retro fit kit
distributor was AER, piece of cake to install.
heres a link to microair
http://www.microair.net/
click products and go to fx-1 retrofit you can see pic of display and also download the manual.
AER prices/parts needed for retro total $336.30
Part Number: ASY370X02
Description: Power Logic box w/Circuit Board
Net Price Each: $ 148.13
Part Number: ASY390X01
Description: FX1 Display Vertical Black
Net Price Each: $ 164.42
Part Number: SUB031X15
Description: Display Cable 15’
Net Price Each: $ 11.25
Part Number: SUB056X07
Description: Air/Water Sensing Cable 7’
Net Price Each: $ 12.50