Caleffi 553542A 1/2 NPT Autofill Boiler Feed Valve

Caleffi 553542A Autofill Boiler Feed Valve 1/2″ NPT

• Maintain Pressure at Stable Value
• Water will stop at set pressure
• Connection Type: MNPT
• Connection Size: 0.5-Inch

Caleffi 553542A 553 Series Auto Fill Boiler Feed Valve 1/2″NPT Inlet Furnish and install on the plans and described herein, a Caleffi AutoFill pre-adjustable automatic filling valve as manufactured by Caleffi. Each valve must be designed with a visual system pressure setting indicator. The filling valve design must include a brass body, nylon plastic cover, sliding surfaces in anti-scale plastic, diaphram and seals in NBR and removable cartridge for maintenance operations. The filling valve must have a pressure indicator for pre-adjustment of device, accuracy ±2 psi (±0.15 bar). Complete with isolating valve and filter. Integral downstream pressure gauge (0-60 psi/0-4 bar) for codes 553642A and 553649A.