Jomar 105 633G 4 Pack 1 2 Inch Expansion Pex Connection Lead Free Brass Inline Check Valves Distribution Blocks Item Combo module I O Module Powder Coated Item Combo module I O Module Type Discrete Number of Input Points 8 Nominal Input Voltage 24 VAC VDC Discrete Input Type Sinking sourcing Number of Non Isolated Discrete Input Commons 1 Number of Points per Discrete Input Common 8 Number of Output Points 8 Nominal Output Voltage 6 24 VDC 6 120 VAC Discrete Output Type Relay Relay Configuration (8) Form A (SPST) relays Load Current 1A point Number of Non Isolated Discrete Output Commons 1 Number of Points per Discrete Output Common 8 Fuse Type External fusing 8A max (user supplied) Requires P2 RTB or P2 RTB 1 removable terminal block or ZIPLink pre wired cables Programming Software Productivity Suite programming software v3 Pressure Range: 2 6 PSI IAPMO Certified – NSF 61 & NSF 372 they feature a stainless steel spring and a bubble tight Teflon seal