Merrill MPSM42040GCP Switch Pressure with Low Pressure Cut-Off, 20/40 PSI Tools & Accessories Capacity (wood): 3"

Capacity (wood): 3"

Each port is perfectly spaced to allow hummingbirds to feed side-by-side

For gauging inner diameters and transferring measurements to a ruler

Transition from copper or brass tube to CPVC

Smith motor

Merrill MPSM42040GCP Switch Pressure with Low Pressure Cut-Off, 20/40 PSI Tools & Accessories Capacity (wood): 3"Highlights: Minimum pressure : 20 40 psi Maximum pressure : 40 psi Designed for control of electrically driven water pumps It may be used for all pumps including jet, submersible, and reciprocating NEMA Type 1 indoor Enclosure contacts open on rising pressure 2 pole, rated 1 1 2 hp at 115 Vac 2 HP at 230 Vac Diaphram actuated adjustable cut in out and differential Pressure Connection 1 4 in. NPT female cut in=20PSIG Cut out=40PSIG Low Pressure cut off