Merrill MPSM42040GCP Switch Pressure with Low Pressure Cut-Off, 20/40 PSI Tools & Accessories Apply liberally over the full

Apply liberally over the full length of the surface to avoid lap marks

Transition from copper or brass tube to CPVC

For gauging inner diameters and transferring measurements to a ruler

Capacity (wood): 3"

Compatible with 5438 & 5439 snap-on flashing brackets

Merrill MPSM42040GCP Switch Pressure with Low Pressure Cut-Off, 20/40 PSI Tools & Accessories Apply liberally over the fullHighlights: 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