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Lennox/Ducane
Robertshaw SP735 Ignition Control - Burners Cycling Off
Robertshaw SP735 Ignition Control Re: Burners Cycling Off The SP735 is a spark ignition controller. Once 24VAC is received on "TH" and "TR (Common)", the control will start an ignition sequence by powering the pilot valve "PV" while sparking through the on-board ignition transformer "IGN". ...
12 Jan, 2017 Comments: 0