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high static pressure or improper condensate trap installation can cause water to "blow off" the coil
ensuring the deadband is tuned to prevent rapid relay chatter
20 amp rating handles typical residential load requirements
the internal orifice is sized specifically for efficiency at 15 psi
This is an automatic reset pressure switch
Lochinvar & A.O. Smith 100109887 Control Module 322838-753 high static pressure or improperThe 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
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