Lochinvar & A.O. Smith 100170643 Board 321894 706 a 393691 conversion kit must a 393691 conversion kit must be installed by a licensed technician to adjust the regulator spring for the higher pressure requirements of LP systems it is essential to match the 24V coil voltage and ensuring the physical footprint matches the mounting base to maintain system safety and logic this board is specifically tailored for CB 045 260 series units and replaces older TST30017 modules Smith boiler models within the 045 260 series
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Lochinvar & A.O. Smith 100170643 Board 321894-706 a 393691 conversion kit must