Watts F121465 Relief Valve 319852-301 What are the primary indicators

What are the primary indicators that this blower assembly needs replacement

the wattage output will be reduced to approximately 53W

Is the P323654 compatible with my older Williams 11B136 manifold

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Direct Replacement: Simplifies condensate trap installation by utilizing existing mounting points and hose diameters

Watts F121465 Relief Valve 319852-301 What are the primary indicatorsThe Watts F121465 LF174A 50 FS is a 3 4 inch lead free pressure relief valve designed for boiler, hydronic heating, and hot water system protection. Rated at 50 PSI, this valve helps prevent excessive pressure buildup that can damage boilers, piping, storage tanks, and connected HVAC equipment. In residential and commercial hydronic systems, pressure relief valves are critical safety components that automatically discharge excess pressure to maintain