The standard V46 series is designed for fresh water

Reliable Calibration: Works in conjunction with the starting point adjustment screw (2-12 psig) for custom pneumatic valve setups

The Lennox 98M74 Blower Wheel is a high-performance direct replacement for R02592A004

Durable Ball Bearing Design: Reduces friction and heat buildup

Lochinvar & A.O. Smith 100111332 Air Screen 318518-761 The standard V46 series isThe Lochinvar & A. O. Smith 100111332 Air Screen is a critical OEM replacement part engineered for high efficiency commercial water heaters and gas fired boilers. As a veteran technician, you know that maintaining the surgical balance of the combustion air to fuel ratio is non negotiable for system longevity. This precision manufactured air screen acts as the primary barrier for the combustion chamber, preventing large particulates and airborne debris