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Rollout switches must be replaced with the exact temperature rating specified by the manufacturer (195°F in this case) to maintain the system's safety profile
which is critical for maintaining the accuracy of highly sensitive bimetal thermostatic elements
Featuring a 5/8 ODF (Over Dawn Fit) sweat connection
and chemical contaminants
Grundfos 00539605 Flange Set Els PW 17895 Rollout switches must be replacedThe Grundfos 00539605 is a professional grade 1 1 2" cast iron flange set designed for seamless integration with GF 40, TP 40, and UPS series circulator pumps. Engineered for high pressure hydronic systems, these NPT threaded flanges ensure a leak proof seal and structural integrity in demanding HVAC applications. This hardware kit simplifies the installation of Grundfos inline pumps, providing the exact dimensional tolerances required to maintain