Packard DPDT Heat Sequencer, 1 Timing, 2 Switches, AP3848563, 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.

✅ Fits Models:

Model list not provided — compatible with many electric furnaces and air handlers using HS24A343‑style sequencers.
Please verify part number before ordering to ensure proper fit.

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.