Resideo PA404A1025 Pressuretrol Controller

Resideo?áPA404A1025?áPressuretrol Controller, SPST Switching, 3-15 Psi Adjustable Pressure Range, 1-5 Psi Adjustable Differential Range, 20 Psi Maximum Safe Operating Pressure, 1/4" Female Threads, Stainless Steel Diaphragm, Used with Steam Heating Boilers

PA404A1025 is identical to PA404A1025/U