Reznor 37752 Disc The MARS 12766 is a

The MARS 12766 is a professional-grade 35/5 MFD 370V round dual run capacitor engineered for demanding HVACR applications

Durable high-grade material construction resists wear from high-velocity gas and particulates

While many 767A ignitors share the same silicon carbide chemistry

Professionals in the field understand that accurate temperature readings depend entirely on sensor placement

Reznor 37752 Disc The MARS 12766 is aThe Reznor 37752 Disc is a specialized LP Gas Burner Air Restrictor engineered for precision fuel to air ratio management in liquid propane fired heating systems. As a critical component for Reznor gas conversion and maintenance, this disc ensures high efficiency combustion by regulating the secondary air intake at the burner rack manifold. Designed specifically for compatibility with Reznor unit heaters including FT and SFT series models