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What Is a Furnace Draft Inducer Blower? I'll tell you what itis ...
On 12/14/2010 3:53 AM, ftwhd wrote:
FWIW, I have *NEVER* seen a furnace gas valve with a "variable dial" on it. Here ya go: They make em steve. They have a sensor that goes in the supply air and you set the valve according to the supply temp that you want. Usually see them on direct fired make up air units. Seen them on Reznor gas fired duct heaters too. Ya. Much as I hate to agree with ftwhd, I worked on a Marv-Air make up air unit yesterday that had a variable gas valve. |
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What Is a Furnace Draft Inducer Blower? I'll tell you what it is ...
"HVAC" wrote in message ... On 12/14/2010 3:53 AM, ftwhd wrote: FWIW, I have *NEVER* seen a furnace gas valve with a "variable dial" on it. Here ya go: They make em steve. They have a sensor that goes in the supply air and you set the valve according to the supply temp that you want. Usually see them on direct fired make up air units. Seen them on Reznor gas fired duct heaters too. Ya. Much as I hate to agree with ftwhd, I worked on a Marv-Air make up air unit yesterday that had a variable gas valve. The only "variable" adjustment I have seen is the manifold pressure adjustment.... but then I don't do commercial or industrial stuff as a rule. |
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