the unit is equipped with a standard 1/4" compression fitting and a 90-degree 1/4" compression fitting

always check for condensate backup or restricted venting

the A19AAD-26 provides accurate thermal response and is identical to the A19AAD-26C model often found in wholesale catalogs

Always verify your control voltage with a multimeter before installation

including the MP-541x and MF-5x13 models

Fenwal 35-605601-105 Control 30067439-890 the unit is equipped withThe Fenwal 35 605601 105 is a 24VAC microprocessor based Direct Spark Ignition (DSI) control designed specifically for precision gas burner management in commercial and industrial HVACR applications. This intermittent ignition control features a 15 second pre purge cycle to ensure the combustion chamber is cleared of residual gases before ignition attempts, enhancing safety and system reliability. With a 10 second Trial for Ignition (TFI) period, the