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Optimal Airflow: Precision-engineered to maintain the static pressure necessary for residential and commercial blower motors
System Protection: Acts as a primary safety limit switch to shut down the burner before pressure imbalances damage the heat exchanger
It is essential to confirm that your mounting belly band or studs align with this frame size
A28AA-37 is identical to A28AA-37C
By bypassing the low-pressure switch during the initial startup phase
Rheem-Ruud SP310020 Thermostat 321042-401 Optimal Airflow: Precision-engineered to maintainThe Rheem Ruud SP310020 Thermostat is a high performance 110 170F SPST Thermostat designed specifically for precision temperature regulation in residential electric water heaters. As a 59T series lower thermostat manufactured by TOD, this unit provides a reliable single pole, single throw (SPST) contact configuration, ensuring efficient cycling of the heating element. It operates across a broad temperature adjustment range of 110F to 170F with a
