B1256558 Goodman 5KW 1-pole sequencer H10-20 C30-70.

IN STOCK

Sequencer with one switch. 10-20 seconds on (H10-20), 30-70 (C30-70) seconds off. Bottom terminals are 24V.

OEM‑grade 1‑pole heat sequencer used in Goodman electric furnace and air‑handler heat kits. Controls staged energizing and de‑energizing of heating elements to prevent inrush load and ensure smooth operation.

🔧 Technical Specifications

• Switches: 1 pole

• ON Timing (H10‑20): 10–20 seconds

• OFF Timing (C30‑70): 30–70 seconds

• Control Voltage: 24V (bottom terminals)

• Application: 5 kW electric heat kits and compatible Goodman air handlers

• Mounting: Standard 2‑hole bracket

• Electrical Rating: Designed for resistive heat sequencing loads

🔄 Function & Operation

• Stages heating element activation to reduce electrical surge.

• Provides timed delay between blower operation and heat strip energizing.

• Ensures proper cool‑down cycle by delaying heat strip shutoff.

• Helps maintain safe, stable temperature rise inside the air handler.

🧩 Compatibility

Commonly used in Goodman, Amana, and Janitrol electric heat kits requiring a single‑pole sequencer with H10‑20 / C30‑70 timing. (If you want, I can generate a compatibility block by model number for your listing template.)

📦 What’s Included

• 1 × OEM‑spec 1‑pole sequencer

• Pre‑installed mounting bracket

⭐ Ideal Replacement For

• Failed or sticking sequencers

• Units with delayed or non‑responsive heat strip activation

• Overheating issues caused by improper staging

Click to watch how a sequencer works ----> https://youtu.be/5YjL8eR5VJ0

Used on the following 5,000KW units: AE24-05, AE30-05, HKR, HW18-05 & AE24-05 and others.

Also known as part number or replaces L39-276, 309561, BT1256500, B126551, B12565-58 & B12565-51. The timings on the old sequencer that this one replaces were H10-20 and C30-70.