The included 3/4 inch NPT threaded insertion well is rated for a maximum pressure of 255 PSI

This 1-inch Watts 40XL-4-150 unit features a 4-inch extension thermostat with a specialized thermo-bonded coating to minimize mineral buildup and ensure consistent thermal response in rigorous environments

Specifically designed for compatibility with Amana and Goodman air conditioners and heat pumps

the 8620-080 serves as a direct OEM replacement fan switch

Aprilaire 4410 Sensor Assembly 326070-701 The included 3/4 inch NPTThe Aprilaire 4410 Sensor Assembly is a critical genuine OEM replacement part designed specifically for the Aprilaire Model 400, 400A, and 400M humidifier series. This Water Level Sensor Assembly operates using two high precision magnetic reed switches wired in series to monitor the positioning of internal floats. When the water level in the sump drops, the floats descend, closing the switches and triggering the water solenoid valve to replenish the