851S MECHANICAL WATER FEEDER W/ Ext. FLOAT AND ROD ASSY Mechanical Alternator • Maximum Water Temperature: 250°F

• Maximum Water Temperature: 250°F (121°C) Model RS-1-LP

• For low pressure steam and hot water boilers larger than 5

Hoffman Water Vent Data Sheet

• For use on closed vessels and piping systems to control induced vacuum within safe limits

9 bar) – for more than 100 psi (6

851S MECHANICAL WATER FEEDER W/ Ext. FLOAT AND ROD ASSY Mechanical Alternator • Maximum Water Temperature: 250°FWater Feeders Make Up Series 851 S Make Up Water Feeder Extended float and rod assembly Wider operating range Maximum water supply pressure 100 psi (7 kg cm2) Maximum inlet water temperature 120F (49C) Maximum receiver pressure 35 psi (2. 5 kg cm2) McDonnell & Miller 851 S Series Data Sheet