The Lippert 194712 is a direct-replacement EIRC (Electrically-Initiated Relief Control) block engineered for hydraulic slide-out systems managing four slide rooms. It includes a pass-through port on the manifold, making it the correct choice when your existing manifold stack requires a flow-through position rather than a terminating end block. If your coach has four hydraulic slide-out rooms and the system is losing pressure, responding sluggishly, or failing to extend or retract a room, this block is a likely service component.
The EIRC block sits within the hydraulic manifold assembly on Lippert-equipped coaches and controls the electrically-initiated pressure relief function for each slide-out room circuit. Over time, seals inside the block degrade, solenoid passages foul, or the valve body itself can crack under repeated pressure cycling -- especially in coaches that see year-round or full-time use.
The 194712 is specifically configured for a 4-room system with a pass-through. The pass-through designation is important: manifold assemblies are modular, and each position in the stack must match the flow-path requirements of that position. Installing a terminating block where a pass-through block belongs will result in pressure loss or complete circuit failure on the affected room.
Designed for hydraulic slide-out manifolds managing four individual slide rooms -- correct fitment matters for proper pressure routing.
Includes an active pass-through on the manifold, allowing hydraulic flow to continue downstream to additional blocks in the stack.
Lippert part number 194712 replaces the original block in Lippert hydraulic slide-out systems -- no modification required when swapping like-for-like.
At 1.5 lbs., this is a compact manifold component that ships easily and installs without heavy lifting or special tooling in most applications.
Lippert hydraulic manifolds are assembled in a modular stack. Each position in the stack is either a pass-through block (flow continues to the next block) or an end/terminating block (flow stops). The 194712 is a pass-through block. Before ordering, confirm your manifold layout and identify the position of the block you are replacing. Using the wrong type will result in an incomplete hydraulic circuit.
Hydraulic slide-out manifolds operate under significant line pressure. Always depressurize the system completely and follow proper lockout procedures before removing or installing any manifold block. Have shop towels and a drain pan ready -- residual fluid in the lines will escape when fittings are broken loose.