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

Crown : 1"

Cover lock indicator shows when there is pressure inside

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