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Click on image for the lowdown. 
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| | | Forums66 Topics128,052 Posts1,055,740 Members48,426 | | Most Online14,466 Apr 26th, 2026 | | AD Chevy Trucks Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
| | THANKS!
For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down with Ads! Again, thanks! | | | | Joined: Feb 2002 Posts: 12,029 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Feb 2002 Posts: 12,029 | see the link in my tag line for TF heaters for pics - that 'control valve' is a Ranco valve, meant to control water flow to a set temperature - found on the deluxe heaters, which have a control panel with a temperature slide control, the standard heater only has a variable fan switch knob
Bill | | |
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