Regency B-Vent Insert Burner for U31

Part Number: 402-512

When your gas fireplace flames burn unevenly or your burner assembly shows signs of wear, this genuine Regency replacement burner (402-512) restores proper gas distribution and flame performance to your U31 insert.

Purpose

This OEM burner assembly distributes Natural Gas (NG) or Liquid Propane (LP) evenly across the firebox, creating consistent flame patterns essential for safe operation. The precision-engineered ports ensure optimal gas flow while preventing dangerous unburned gas release, working in conjunction with your pilot assembly and gas valve system.

• Dual fuel compatibility (NG/LP)
• Even flame distribution
• Genuine Regency OEM quality
• Direct replacement design

Compatible Models:

• U31

Other Notes

⚠️ Always turn off gas supply before installation and check all connections with soapy water for leaks. Professional installation recommended.

Related Parts

Inspect and consider replacing thermopile, thermocouple, or pilot assembly at the same time for optimal performance.