Lochinvar & A.O. Smith 100135305 Burner R-410A When you're out in the

When you're out in the field

the R11-04C integrates a T-handle adjustment for precise calibration and an aluminum spring cage for enhanced durability in corrosive environments

How do I size a replacement boiler relief valve

this double pole single throw control ensures total circuit disconnection in the "Off" position for increased safety during maintenance

to prevent significant spark energy loss and ensure consistent burner ignition

Lochinvar & A.O. Smith 100135305 Burner R-410A When you're out in theThe Lochinvar & A. O. Smith 100135305 Burner is a critical combustion component engineered for high efficiency performance in commercial and residential heating platforms. As a direct, identical replacement for the BNR3423, this main burner assembly is designed with a dedicated pressure tap to allow technicians to verify manifold pressure and ensure optimal gas to air ratios during commissioning or routine maintenance. Built to sustain uniform thermal