HS2P1S – HEAT SEQUENCER (DPDT, Q103)
$29.45
24V DPDT heat sequencer (2 switches). Supco Q103. Controls a heating element and a blower motor on timed delays. Replaces 24A34-3.
10226 Plano Rd, Suite 104, Dallas TX 75238
Questions? Call or text (214) 340-9421
Mon–Fri 10 am – 7 pm | Sat 10 am – 3 pm
Description
If your electric furnace is not heating evenly or the blower fan isn’t timed correctly, this heat sequencer may be faulty. The DPDT configuration lets it control both a heating element and the blower motor on separate timed delays.
Specs: 24V coil, DPDT (double-pole, double-throw), thermal time delay
Replaces: Q103, HS2P1S, 24A34-3
Fits: Universal — electric, gas, or oil furnaces requiring a DPDT heat sequencer
In stock at Open To Public HVAC Parts in Dallas. We test parts at the counter before you buy. Call or text (214) 340-9421.





