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The 150 PSI rating must match the Maximum Allowable Working Pressure (MAWP) of your tank
preventing the burners from igniting
these part numbers are technically identical
this unit requires LTL freight shipping to prevent damage to the internal scroll and discharge housing during transit
As a direct-fit industrial fan wheel
Amana-Goodman B1256557 Sequencer 320788-702 The 150 PSI rating mustThe Amana Goodman B1256557 Sequencer is a high performance OEM replacement part designed to provide precise control over your HVAC system's heating elements. This double blade sequencer features advanced multi stage timing, ensuring that heating elements activate in a staggered sequence to prevent electrical surges and optimize energy consumption. Engineered for Goodman and Amana electric furnaces, this component is essential for maintaining