2019-2020 Purchasing Guide Volume 6

HVAC | Fan & Heat Sequencers

Fan & Heat Sequencer SPST • 24V input control • Single-timing, one-switch • Replaces MARS 33241, Watsco TDR10 and W/R 24A34-1 • On 1–20 seconds, Off 40–110 seconds • Will carry (1) 5kW heat element Product # Description 172010 Q101

Fan & Heat Sequencer DPST • 24V input control • Single-timing, double-switch • On 1–20 seconds; Off 40–110 seconds • Will carry (2) 5kW elements Product # Description 172012 Q103

Fan & Heat Sequencer SPDT • Single-timing; single-switch, 24V • Delay on make 10 seconds, delay on break 90 seconds • For use with 8–10 kW heat strips • Replaces 05234, 12S50 H24V, BT1370700 and C65-115 Product # Description 160255 B1370738

Fan & Heat Sequencer SPDT • Used in heat pump air handler applications • Single-timing; single-switch • On 1–60 seconds, Off 75–95 seconds • Replacement for Goodman B1370738 Product # Description 172030 24A34-15

Fan & Heat Sequencer • 24V input control • For use with 8–10 kW heat kits • Replaces 309562, B1256501 and B1256552 Product # Description 172110 B1256559

Fan & Heat Sequencer • 24V input control • For use with 5 kW heat kits • Replaces 309561, B1256500 and B1256551 Product # Description 172100 B1256558

Fan & Heat Sequencer DPST-SPST • 24V input control • Double-timing; four-switch • On 1–110 seconds, Off 1–110 seconds • Replaces MARS 33233, Klixon 51172-22 and W/R 24A34-6 Product # Description 172014 Q106

Fan & Heat Sequencer DPST-SPST • 24V input control • Double-timing; three-switch • On 1–110 seconds, off 1–110 seconds • Replaces MARS 33232, Watsco TDR30 and W/R 24A34-5 Product # Description 172013 Q105

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