42-23116-09 – HEAT SEQUENCER (TPST)
24V TPST heat sequencer. OEM Rheem/Ruud part for electric furnaces. Triple-pole single-throw for staging three circuits. Different timing than 42-23116-07.
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24V TPST heat sequencer. OEM Rheem/Ruud part for electric furnaces. Triple-pole single-throw for staging three circuits. Different timing than 42-23116-07.

24V DPST heat sequencer. OEM Rheem/Ruud part for electric furnaces. Double-pole single-throw configuration. Different timing than 42-23116-06.

24V TPST heat sequencer. OEM Rheem/Ruud part for electric furnaces. Triple-pole single-throw for staging three circuits on timed delay.

24V DPST heat sequencer. OEM Rheem/Ruud part for electric furnaces. Double-pole single-throw for controlling two circuits simultaneously.

24V SPST heat sequencer. OEM Rheem/Ruud part for electric furnaces. Single-pole single-throw configuration for staging one heating element.

24V DPDT heat sequencer (2 switches). Supco Q104. Different delay timing than Q103. Replaces HS24A344, Emerson E143, and NS104.

24V DPDT heat sequencer (2 switches). Supco Q103. Controls a heating element and a blower motor on timed delays. Replaces 24A34-3.

24V SPST heat sequencer (1 switch). Supco Q102. Longer delay timing than Q101. Controls one heating element or blower in electric furnaces.

24V SPST heat sequencer (1 switch). Supco Q101. Basic single-stage sequencer for electric furnaces. Controls one heating element or blower.

Goodman B1370738 fan switching relay/sequencer (Q108 aftermarket). 24V SPDT. Controls the blower fan timing in Goodman and Amana furnaces.

24V triple-stacked heat sequencer for Lennox electric furnaces. Thermal time delay relay that stages heating elements and fan activation.

24V heat sequencer with two DPDT relays in series. Handles up to 25 amps. Replaces HS24A346. For electric furnaces with multi-stage heating elements.

24V heat sequencer with 1 DPST and 1 SPST relay in series. Handles up to 25 amps. Replaces Nordyne 621678 and HS24A345. Common electric furnace part.