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Duotone terrace — saffron brief on the left, garden-folded ledger on the right.
This specific part is a direct
or the differential between two points in the air stream
This heavy-duty Raypak replacement part is the standard for service technicians looking to restore factory-spec timing and safety interlock integrity to hydronic heating systems and large-scale pool heaters
Is this the correct part for a STAS-48 or STAS-144 shell
Designed for high-side pressure monitoring in commercial refrigeration and air conditioning systems
Lochinvar & A.O. Smith 100208515 Ignition Module 326070-701 This specific part is aThe Lochinvar & A. O. Smith 100208515 Ignition Module is a critical direct spark ignition (DSI) control engineered for high recovery commercial water heaters and residential boilers. This 24V microprocessor based controller manages the ignition sequence, flame supervision, and gas valve actuation with precision timing to ensure professional grade combustion efficiency. Built to withstand high ambient mechanical room conditions, this OEM replacement