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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!
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| | | | Joined: Jun 2012 Posts: 142 'Bolter | | 'Bolter Joined: Jun 2012 Posts: 142 | On a 56 (3200) where does the heater control valve (ranco valve) mount? I drew a pict. of where the hoses go but not the valve location. I took it off(4 years ago),can not figure it out. A picture would be great.Any help is appreciated. | | | | | Joined: Feb 2002 Posts: 12,029 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Feb 2002 Posts: 12,029 | assuming you're working with a deluxe heater, the valve mounts to a metal tab on the core mount [actual valve missing in that pic] - all 55.2-59 deluxe heaters are the same .... if you don't have a deluxe model, there was no Ranco valve Bill | | | | | Joined: Jun 2012 Posts: 142 'Bolter | | 'Bolter Joined: Jun 2012 Posts: 142 | the heater core box has HD-02B-56.It looks just like the pict.that says 57 standard. It is a ranco valve. It is a std. heater | | | | | Joined: Feb 2002 Posts: 12,029 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Feb 2002 Posts: 12,029 | that 57 standard heater [round core] didn't come with a Ranco valve, none of the standard heaters did AFAIK, if yours had one, someone added it ... all the 57 standard [recirculating] heater had for controls was the fan switch - see accessory install manual hereBill | | | | | Joined: Jun 2012 Posts: 142 'Bolter | | 'Bolter Joined: Jun 2012 Posts: 142 | Ok thanks for the info. I must have picked up the valve somewhere. That explains why there is no opening for the valve.
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