Lochinvar & A.O. Smith 100380600 Gas Valve 340155 7026 The Reznor 257473 is designed The Reznor 257473 is designed for systems utilizing flame rectification through the spark electrode or a dedicated sensor Memory Logic: Retains lockout status through power cycles to prevent unsafe automatic boiler restarts often caused by a compromised fan gasket or restricted venturi assembly preventing the gas valve from opening under the correct negative pressure Improved Combustion Stability: Restores the precise venturi air gas mixing necessary for a 94% AFUE rating and low NOx operation
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Lochinvar & A.O. Smith 100380600 Gas Valve 340155-7026 The Reznor 257473 is designed