Feature 【Fitment】 This Water Pressure Switch Assembly is designed to compatible with Hayward h-series ed1 and ed2 style millivolt electronic pool heater. Fit for H-series low nox pool heater models H150ED2, H150ED2, H200ED2,H200ED2, H250ED2, H250ED2. Also fit for H-series low nox pool heater models H300ED2, H300ED2, H350ED2, H350ED2, H400ED2, H400ED2. 【Alternate Part Number】 Replacement for HAXPSA1930, 47-150-1824, HAY-151-1566, HAYHAXPSA1930, HPPHAXPSA1930. Professional manufacture, meet or exceed for oem specification and performance, servicing for your pool heaters better. 【Function】 .
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