Lochinvar & A.O. Smith 100109887 Control Module 322838-753 ensuring the deadband is tuned

ensuring the deadband is tuned to prevent rapid relay chatter

What is the pipe size for the inlet and outlet

This is an automatic reset pressure switch

The ME9S240 is the valve body only

Lochinvar & A.O. Smith 100109887 Control Module 322838-753 ensuring the deadband is tunedThe Lochinvar & A. O. Smith 100109887 Control Module is a critical integrated ignition control designed for precise gas fired water heater and boiler operation. This Fenwal 35 615922 113 equivalent manages direct spark ignition (DSI) sequences, flame sensing, and gas valve sequencing to ensure optimal combustion efficiency. Engineered for HVAC repair professionals, this 100109887 ignition board provides robust diagnostics through a dedicated LED