a vent limiter or outdoor vent protector must be sourced separately if required by local codes or for outdoor mounting to prevent debris ingress

Can I install this motor in any orientation

protecting the SPDT contact system from moisture and contaminants

Contractor-Grade Durability: Provides a cost-effective alternative to OEM Grindmaster 2240 without compromising structural integrity or fitment

delivering a capacity of 150

Lochinvar & A.O. Smith 100208461 Board Control 30067439-890 a vent limiter or outdoorThe Lochinvar & A. O. Smith 100208461 Board Control User Interface is a critical replacement component engineered for high efficiency commercial water heaters and boilers. Also identified as RLY2210 and RLY2210K, this integrated control board manages the system's operational logic, facilitating communication between the sensors and the firing mechanism. Designed for various Lochinvar Knight and A. O. Smith Cyclone series models, it replaces legacy