
Pentair | 42001-0061S | MasterTemp and Max-E-Therm Heater Air Flow Switch
The Pentair 42001-0061S Air Flow Switch is a replacement heater control component designed for compatible Pentair MasterTemp and Sta-Rite Max-E-Therm pool and spa heaters. This part helps monitor airflow conditions within the heater system so the unit can respond properly during ignition and operation, making it an important service item when the original switch becomes worn, damaged, or no longer functions correctly.
Key Features
• Replacement air flow switch is designed for use with compatible Pentair MasterTemp and Sta-Rite Max-E-Therm heater systems.
• This component helps monitor airflow conditions within the heater to support proper operating response during the heating cycle.
• Intended for maintenance and repair when the original air flow switch becomes worn, damaged, or fails to operate correctly.
• OEM replacement design helps maintain fit and function within the original heater electrical and control system.
• Proper air flow switch operation is important to dependable heater startup and normal performance.
• This part is commonly referenced as an air flow switch used in the electrical system of compatible pool and spa heaters.
• Targeted replacement format allows service of the airflow sensing component without replacing larger heater assemblies.
• Durable service-part construction is suited for routine pool and spa heater maintenance in outdoor equipment environments.
Product Overview
The Pentair 42001-0061S Air Flow Switch is a service replacement part used in compatible MasterTemp and Max-E-Therm heater systems. Its primary role is to help the heater detect and respond to proper airflow conditions during operation. Because heater performance depends on the correct sequence of internal control and ignition functions, the air flow switch plays an important part in normal heater startup and reliable ongoing performance.
This part is well suited for repair situations where the heater remains otherwise serviceable but the original airflow sensing component has become unreliable or nonfunctional. Replacing the switch can help restore proper system response without replacing larger electrical or control assemblies. For pool owners and service professionals maintaining compatible Pentair and Sta-Rite heater platforms, the 42001-0061S fills an important role in ongoing heater diagnostics, repair, and operational upkeep.
Original: $149.99
-65%$149.99
$52.50Product Information
Product Information
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Shipping & Returns
Description
The Pentair 42001-0061S Air Flow Switch is a replacement heater control component designed for compatible Pentair MasterTemp and Sta-Rite Max-E-Therm pool and spa heaters. This part helps monitor airflow conditions within the heater system so the unit can respond properly during ignition and operation, making it an important service item when the original switch becomes worn, damaged, or no longer functions correctly.
Key Features
• Replacement air flow switch is designed for use with compatible Pentair MasterTemp and Sta-Rite Max-E-Therm heater systems.
• This component helps monitor airflow conditions within the heater to support proper operating response during the heating cycle.
• Intended for maintenance and repair when the original air flow switch becomes worn, damaged, or fails to operate correctly.
• OEM replacement design helps maintain fit and function within the original heater electrical and control system.
• Proper air flow switch operation is important to dependable heater startup and normal performance.
• This part is commonly referenced as an air flow switch used in the electrical system of compatible pool and spa heaters.
• Targeted replacement format allows service of the airflow sensing component without replacing larger heater assemblies.
• Durable service-part construction is suited for routine pool and spa heater maintenance in outdoor equipment environments.
Product Overview
The Pentair 42001-0061S Air Flow Switch is a service replacement part used in compatible MasterTemp and Max-E-Therm heater systems. Its primary role is to help the heater detect and respond to proper airflow conditions during operation. Because heater performance depends on the correct sequence of internal control and ignition functions, the air flow switch plays an important part in normal heater startup and reliable ongoing performance.
This part is well suited for repair situations where the heater remains otherwise serviceable but the original airflow sensing component has become unreliable or nonfunctional. Replacing the switch can help restore proper system response without replacing larger electrical or control assemblies. For pool owners and service professionals maintaining compatible Pentair and Sta-Rite heater platforms, the 42001-0061S fills an important role in ongoing heater diagnostics, repair, and operational upkeep.











