Part Number 550-141-816/0304 5 LGB-6 to LGB-20 Series 2 - Control Supplement 6 Part Number 550-141-816/0304 CSD-1 Control System - Propane gas Figure 3 Wiring diagram Part Number 550-141-816/0304 7 LGB-6 to LGB-20 Series 2 - Control Supplement V Sequence of operation Wiring - continued 1. Operating control begins startup sequence. a. Standard (AGA) Control Systems for LGB 6-23 and FM Control Systems for LGB 6-20 WFG Hame Guardian. Control System Features: A WFG Control SYStom a plate. Weil-McLain UCS and terminal furnished as Standard with each base On a call heat. the pilot prwing control a spark to igmte the pilot is the first stage the two-stage Weil McLain LGB Boiler Parts. 222 items. Filter. list grid ? MAP Price. There is a Minimum Advertised Price (MAP) allowed by the manufacturer on this product. weil mclain lgb-7 Two gas valves, secondary and main. Two modules pilot proving and main flame proving. 12 burners in total only 6 will fire then go out from not proving any thought. LGB Gas-Fired Boiler — Boiler Manual 6 Part Number 550-141-186/0703 Chimney or Vent When removing boiler from common venting system Venting must be installed according to Part 7, Venting of Equipment, of National Fuel Gas Code, ANSI Z223.1-latest edition and applicable building codes. Canadian installations must comply LGB. Gas-Fired Boiler — Boiler Manual. 6. Part Number 550-141-186/0100. Chimney or Vent When removing boiler from common venting system. Venting must be installed according to Part 7, Venting of Equipment, of National Fuel Gas Buy Weil-McLain 383300500 Today. Free Shipping. Check the Weil-McLain LGB - 7-Inch - Water Column Controls - NG ratings before checking out. igate.northernplumbing.com GV-5 87% WEIL-McLAIN GAS BOILER Installation Manual; Parts Breakdown; Specification Sheet; GV-6 87% WEIL-McLAIN GAS BOILER Installation Manual; Parts Breakdown; Specification Sheet; LGB-11W NAT GAS HOT WATER BOILER Installation Manual; Parts Breakdown; Specification