HS24A343

Packard DPDT Heat Sequencer | 1 Timing | 2 Switches | Replaces AP3848563, HS24A343 Restore proper heating element staging with this brand-new Packard DPDT heat sequencer, engineered as a direct replacement for HS24A343 / AP3848563. Designed for electric furnaces and air handlers, this sequencer controls the timed activation of heating elements to ensure safe, efficient warm‑up and shutdown cycles. ⚙️ Product Features: Double‑pole, double‑throw (DPDT) heat sequencer ⏱️ 1 timing function with 2 switches ⚡ Contact ratings: up to 25A at 120/240V, 12.5A at 480V ❄️ Operating ambient: -50°F (-45.5°C) to 165°F (73.8°C) ️ Shock and vibration resistant Quick‑connect terminals for easy installation Condition: Brand New – Unused Replaces Part Numbers: 1056789, HN67QC005, HQ1056789, DGS103, GS103, 1256504, BT1256504, 60000EOM51172, E017, 33244, 33844, 24A34-3, f77-5411, TDR20, 24ZC-3, ZC24A34-3, IES24A34-3, 12S22 Direct replacement for Packard / OEM heat sequencer HS24A343. Common Fixes: ❌ Heating elements not turning on or off in sequence ⚠️ Furnace blowing cold air or overheating Delayed or inconsistent heat staging Replacing a stuck, shorted, or burned‑out sequencer ️ Installation Tips: Disconnect power before servicing the furnace or air handler Locate sequencer near heating elements or control board Label wires before removal to ensure correct reconnection Install new sequencer using quick‑connect terminals Restore power and test heat staging before closing panels Reliable staging. Safe operation. OEM‑fit performance for electric heating systems.

• Replaces Part Numbers: 1056789, HN67QC005, HQ1056789, DGS103, GS103, 1256504, BT1256504, 60000EOM51172, E017, 33244, 33844, 24A34-3, f77-5411, TDR20, 24ZC-3, ZC24A34-3, IES24A34-3, 12S22
• Solid state
• Full-load rated auxiliary contacts
• Mounts in any position