{"product_id":"weil-mclain-511724951","title":"Weil-McLain Ultra Boiler Control Module - 511724951","description":"\u003cdiv class=\"product-description-wrapper\" style=\"font-family: Arial, sans-serif; line-height: 1.6; color: #333; margin-bottom: 25px;\"\u003e\n  \u003cp style=\"margin-bottom: 16px;\"\u003e\n    The \u003cstrong\u003eWeil-McLain® Ultra U-Control™ Module (MPN: 511-724-951 \/ 383-500-658)\u003c\/strong\u003e is the factory-authorized brain assembly engineered to restore precision ignition sequencing and thermal safety across Ultra Series gas-fired condensing boilers. This advanced microprocessing control network actively manages system logic parameters, responding instantaneously to field signals from the room thermostat, low-water cutoff (LWCO), and air pressure switches.\n  \u003c\/p\u003e\n\n  \u003cp style=\"margin-bottom: 12px;\"\u003e\u003cstrong style=\"font-size: 15px; color: #111;\"\u003eKey Performance Features:\u003c\/strong\u003e\u003c\/p\u003e\n  \u003cul style=\"margin-top: 0; margin-bottom: 20px; padding-left: 20px;\"\u003e\n    \u003cli style=\"margin-bottom: 10px;\"\u003e\n      \u003cstrong\u003eDynamic System Regulation:\u003c\/strong\u003e Controls the full boiler lifecycle—modulating gas valve timing, proving pilot flame integrity within a 15-second trial window, and commanding purging cycles to optimize efficiency.\n    \u003c\/li\u003e\n    \u003cli style=\"margin-bottom: 10px;\"\u003e\n      \u003cstrong\u003eMulti-Circulator Coordination:\u003c\/strong\u003e Intelligently sequences system circulators, primary boiler pumps, and dedicated domestic hot water (DHW) loops simultaneously.\n    \u003c\/li\u003e\n    \u003cli style=\"margin-bottom: 10px;\"\u003e\n      \u003cstrong\u003eRobust Electrical Protection:\u003c\/strong\u003e Designed with clean external fuse terminal channels to protect the underlying motherboard tracks against external field wiring spikes.\n    \u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003cp style=\"margin-top: 16px; margin-bottom: 0;\"\u003e\n    \u003cstrong\u003eCompatibility Note:\u003c\/strong\u003e This genuine OEM replacement part is specifically optimized for seamless electrical integration into Weil-McLain Ultra Series 3, Series 4, and Series 1 Commercial high-efficiency boiler systems.\n  \u003c\/p\u003e\n\u003c\/div\u003e","brand":"Weil-McLain","offers":[{"title":"Default Title","offer_id":42910006214750,"sku":"511724951","price":425.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/Weil-McLain_Ultra_series_boiler_U-control_module_circuit_board_layout_displaying_clean_integrated_multi-pin_wire_harness_terminals_and_protective_housing_container..jpg?v=1782083409","url":"https:\/\/nationalboilersupply.com\/products\/weil-mclain-511724951","provider":"National Boiler Supply","version":"1.0","type":"link"}