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using a genuine S1-324-36081-306 replacement means reliable counterclockwise rotation and seamless integration with the CFM programming board
F & G hazardous locations
is engineered to restore proper drafting and combustion airflow in gas-fired heating equipment
preventing wire tension and protecting the harness from high-heat exposure near the burner box
Are the speed taps color-coded for standard York wiring
Lochinvar & A.O. Smith 100277772 Pressure Switch 320074-702 using a genuine S1-324-36081-306 replacementThe Lochinvar & A. O. Smith 100277772 Pressure Switch is a critical safety component engineered for high altitude applications in Crest FBN and FBL heating boilers. This F9 high altitude air pressure switch is factory calibrated with a 4. 1 in WC set point to monitor combustion chamber pressure accurately in thinned atmospheres. It serves as a proving switch, ensuring the combustion air blower provides sufficient flow for a clean, safe burn before the