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The Lochinvar 100170641 Limit Switch is a critical safety component designed for high-performance hydronic systems
Durable Construction: Built with high-temperature resistant materials like 446 stainless steel and Kanthal D for extended service life
For contractors performing field maintenance or orifice swaps
protecting the lubrication circuit during high-load periods
Nordyne 903422 Heat Exchanger 323613-751 The Lochinvar 100170641 Limit SwitchThe Nordyne 903422 Heat Exchanger is an essential OEM replacement component engineered for high efficiency thermal transfer in residential and light commercial forced air systems. As a veteran preferred HVAC furnace part, this aluminized steel assembly is designed to withstand the rigorous thermal cycling of modern heating duty cycles, providing superior corrosion resistance. This gas heat exchanger serves as the critical safety barrier between
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