Cleveland Controls NS2-0221-00 Pressure Switch 30067439-890 the 591WA-11ST is a non-directional

the 591WA-11ST is a non-directional valve

This part is a specific OEM heating component and is not a universal burner tube

Leak Prevention: Specifically designed to maintain a gas-tight and watertight seal

This spring return zone valve actuator is a 24Vac three wire floating model

Cleveland Controls NS2-0221-00 Pressure Switch 30067439-890 the 591WA-11ST is a non-directionalThe Cleveland Controls NS2 0221 00 is a high performance air pressure sensing switch designed for residential and light commercial HVAC furnace applications. This fixed set point pressure switch is factory calibrated to actuate at 1. 35" w. c. on a pressure rise, ensuring precise monitoring of combustion air and flue gas flow. Featuring SPDT (Single Pole Double Throw) switching logic, the unit allows for versatile wiring configurations in both