Compare to MSOZUS-002, 1.25 inch trunk *No pressure relief port or low water cut off port* NFB-175HÂ NFB-200H
Navien Manifold compare to MSOZUS-002 NFB-175H NFB-200H
Compare to MSOZUS-002, No pressure relief port or low water cut off port. 1.25 inch trunk NFB-175H NFB-200H