383-500-774 | HT EXCHRepl Ult105 S1-3 | Weil McLain

HT EXCH Replaces Ult 105 Series, S1-3 - Weil McLain - 383-500-774 This Weil McLain HT EXCH Repl Ult105 S1-3 is a direct replacement for the Ult 105 Series, S1-3 heat exchanger. It is made of durable materials and is designed to provide long-lasting performance. This heat exchanger is easy to install and maintain, and it is a cost-effective way to keep your heating system running efficiently. - SKU: 383-500-774 - Brand: Weil McLain - Replaces Ult 105 Series, S1-3 Shop now at our HVAC supply store for the best prices and fast shipping on all your heating and cooling needs!