Rheem 42-105601-24 Pressure Switch Kit, SPST, -0.20"WC

A Rheem 42-105601-24 Pressure Switch Kit senses airflow pressure and opens or closes the circuit to maintain safe, reliable performance in the equipment.

• Real OEM switches and buttons support safer operation with dependable response and proper system control when conditions change
• Fits Popular Models: RKNL-C300DM30E, RKNL-B180CL25E, RKKL-B180CL25E
• Product Type: Pressure Switch Kit
• Contact Configuration: SPST
• Pressure Setting: -0.20"WC

Common Questions and Answers

What part does the Rheem 42-105601-24 Pressure Switch Kit play in the equipment's workflow?

The pressure switch kit monitors pressure conditions within the heating and cooling unit and allows the control sequence to proceed only when proper airflow or venting conditions are present. Its SPST design matters because it provides a straightforward open-or-close safety signal that supports reliable operation and protects the HVAC system from running under unsafe pressure conditions.

What are possible warning signs that the Rheem 42-105601-24 Pressure Switch Kit may be failing?

The pressure switch kit may be failing if the packaged unit shows startup problems, intermittent shutdowns or refuses to complete its normal ignition or operating sequence. Common indicators include visible wear at the switch or tubing connections, while environmental signs may include moisture, dirt buildup or corrosion that can interfere with accurate pressure sensing.