AHE, GV, HE Boiler Igniter Replaces Weil-McLain, 511-330-148, DS420KX

Surface Igniter DS420KX | OEM‑Grade Boiler Igniter | Replaces Weil‑McLain® 511‑330‑148

Brand‑new DS420KX Hot Surface Igniter engineered by Surface Igniter LLC as a direct replacement for Weil‑McLain part 511‑330‑148. Designed for AHE, GV, and HE series boilers, this OEM‑grade igniter delivers fast, reliable ignition and long‑term performance in residential and commercial heating systems. Includes mounting bracket and hardware for secure, trouble‑free installation.

⚙️ Product Specifications

• Model: DS420KX
• Ignition Type: Hot Surface Ignition (HSI)
• Includes: Mounting bracket + installation hardware
• Application: Weil‑McLain AHE, GV, HE boilers
• Condition: Brand New Replacement

Replaces OEM Part Numbers

511330148
511‑330‑148
W511330148
IG0148

Compatible Boiler Models

• Weil‑McLain AHE Series
• Weil‑McLain GV Series
• Weil‑McLain HE Series

️ Common Fixes

• Boiler failing to ignite
• Intermittent ignition or delayed startup
• Igniter cracked, worn, or burned out
• System lockouts due to failed ignition

️ Installation Tips

• Disconnect power and gas supply before servicing
• Remove burner access panel to reach igniter assembly
• Install new igniter using included mounting bracket
• Handle igniter carefully — avoid touching heating element
• Verify proper alignment and secure wiring connections
• Test ignition cycle after installation

Restore dependable boiler ignition with this OEM‑grade DS420KX hot surface igniter for Weil‑McLain heating systems.