This Y75AA-3 flame rod features a

clogged condensate lines

Vibration Reduction: Factory-balanced 3-blade design extends the service life of the condenser motor bearings

as DC versions or high-temperature steam applications may require different elastomer materials

Check the data plate on the unit

Resideo VU52S2010 Valve 323613-751 This Y75AA-3 flame rod featuresThe Resideo VU52S2010 is a heavy duty two way fan coil valve engineered for precise flow control in commercial hydronic systems. Featuring a 1 2" sweat connection and a 2. 4 Cv rating, this valve is optimized for both hot and chilled water applications, including systems running up to 60% glycol concentrations. Designed as a normally open valve, it ensures system flow during power loss, providing critical fail safe performance. The unit is built with