Pentair MasterTemp & Max-E-Therm Heater Air Flow Switch 42001-0061S by Swimables | SW-41-061

Pentair MasterTemp & Max-E-Therm Heater Air Flow Switch 42001-0061S by Swimables | SW-41-061

Marsoni

M251S

$99.99

Get it in 3 business days with 1 day shipping. Friday, May 29

Pentair MasterTemp & Max-E-Therm Heater Air Flow Switch 42001-0061S by Swimables | SW-41-061The Swimables SW 41 061 Air Flow Switch is a critical safety and ignition component for Pentair MasterTemp and Max E Therm pool and spa heaters. This switch monitors the pressure differential across the air metering orifice to verify adequate combustion airflow before ignition can proceed. Once the blower generates sufficient air movement, the AFS closes its contacts, completing the circuit to the hot surface igniter (HSI) and initiating the fuel

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Reviewed in the United States on September 24, 2025

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Patricia Viera

Alexandria, US

★★★★★ 5

100% goose down

Size: King, Unit Count: 2.0

Love these down pillows, Absolutely perfect I can conform to any shape I want for comfort of my neck.

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Reviewed in the United States on May 3, 2026

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