51752-403-7 (Hydromatic number DPS81 10-01) diaphragm 51752-403-7 pressure switch for BV40, SP40, SP50, SKV40, SKV50, SPD50H, 8.5 in. pump range (on at approx 12.5 inches, off approx 4 inches). range 8 inches, 115v, 10 ft cord, 16-2 wire.
Not Shown: Includes Mounting Hardware
cross ref# 149740085-01 DPS81 10-01 MSP40 149740095
