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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!
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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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