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The Sealed Unit Parts Co 15SH21 is a control device used in electric, gas, and oil heating systems. It manages the operation of heating elements and blower motors efficiently. The unit operates on a 24-volt control circuit and features adjustable timing for activation and deactivation, with settings from one to one hundred ten seconds. It has a five-second delay between stages to ensure proper operation unless stages are set to work simultaneously. The Q105 sequencer is UL and CSA approved, ensuring it meets safety and performance standards. This device serves as a reliable replacement for various OEM sequencers.
This sequencer is ideal for managing heating systems effectively, providing flexibility and reliability.
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