Napco Sequencer Staged, 2 SPST, 24 Volt, TD-09, 24A52-101, NS212S

⚡ 2‑Stage SPST Heat Sequencer | Napco NS212S | 24 Volt

Brand new Napco NS212S staged 2‑SPST heat sequencer designed for electric furnace and heat pump air‑handler applications. Controls the timed energizing and de‑energizing of heating elements to prevent circuit overload and ensure smooth staging.

This sequencer provides reliable timing performance with two independent SPST stages and standard 24‑volt control operation.

⚙️ Timing Specifications

• Stage 1 On: 1–25 seconds
• Stage 1 Off: 40–90 seconds
• Stage 2 On: 30–110 seconds
• Stage 2 Off: 1–30 seconds
• Control Voltage: 24 Volts
• Switch Type: 2 × SPST

Features & Benefits

• Controls staged heating elements for safe operation
• Prevents simultaneous high‑amperage startup
• Reliable thermal timing performance
• OEM‑style fit and function
• Condition: Brand New – Unused

Replaces Part Numbers

TD‑09, 24A52‑101

Restore proper heating‑element staging and dependable furnace operation with this OEM‑compatible Napco NS212S sequencer — durable, accurate, and ready for installation.