This is a Pressure Switch for the hubbell fire, it's a part of the part and is part of the 69 2 kit. This part is for the hubbell fire.
This is a groundwater Sprinkler Pressure Switch for the 69 140-1079 compressor part, it is used to control the Pressure on the system in order to ensure a healthy water supply. This is a Sprinkler Pressure Switch it is used to set the Pressure in the reservoir to the handle size, the handle will then release the Pressure on its own. This is to prevent the machine from going out of control, it's use to Pressure switches up to 30 psi on 50 psi off. This is a Pressure switch, it's an 35 style Sprinkler Pressure switch. It's made by hubbell, it's a good quality switch, and it works well. It's facile to use, and it knows how to respond to systems.