This Weil-McLain steam boiler harness is specifically designed for GSA/PEG series boilers. It features a Single Pole (SP) Low Water Cut-Off (LWCO-P) mechanism, which is an essential safety feature that prevents the boiler from operating when water levels are dangerously low. The harness ensures efficient communication between the boiler and the LWCO-P, enabling immediate response to low water conditions. The product is compatible with both GSA and PEG series steam boilers, making it versatile for various installations. Its robust design ensures durability and reliability in maintaining safe boiler operations.