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Duotone terrace — saffron brief on the left, garden-folded ledger on the right.
Smith 100111058 Blocked Outlet Switch
Always cross-reference the assembly number on your existing module before ordering
Legacy Compatibility: Optimized for Amana PTAC R-22 models requiring specialized housing
Whether you are replacing a scorched trace board or upgrading older 48HGD series equipment
the 39829 spark electrode provides superior resistance to high-temperature scaling and corrosion
Lochinvar & A.O. Smith 100074348 PCB 320735-701 Smith 100111058 Blocked Outlet SwitchThe Lochinvar & A. O. Smith 100074348 PCB is a critical OEM replacement control board designed for high efficiency tankless water heaters and select boiler models. Specifically engineered for 66J IN and 66J OS series units, this printed circuit board acts as the central intelligence for the system, regulating the ignition sequence, monitoring flame rectification, and processing data from integrated safety sensors. To ensure peak energy efficiency and
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