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While the 201Q element style is common
How do I distinguish between mixing and diverting configurations
Can I use a universal 115V motor instead
What are the electrical terminal specifications
Regular inspection of the metal rod for scale build-up is recommended to maintain optimal sensitivity and system efficiency in any HVAC water level sensing setup
Armstrong International D503157 Air and Gas Vent 30067439-890 While the 201Q element styleThe Armstrong International D503157 Air and Gas Vent is a high performance Series 21AR Cast Iron Fixed Pivot Ball Float designed for the efficient removal of air and gases from pressurized liquid systems. Engineered with a 1 2" NPT connection and a precision 5 64" orifice, this unit is built to manage a maximum operating pressure of 133 PSI. It is technically identical to the 21 AR 1 2 133 model, providing a robust solution for preventing air binding