McDonnell & Miller 133700

247, Mechanical Water Feeder

Series 247/247-2

Mechanical Water Feeders/Low Water Cut-Offs - For steam and hot water boilers with cold water feed - Continuous maintenance of minimum safe water level, independent of electrical service - Proportional feed action - Quick-change replaceable cartridge valve and strainer - Quiet, durable operation - Isolated feed valve minimizes lime and scale build-up - Optional features v No. 2 switch v Manual reset - Model 247 can be field upgraded with a No. 2 switch to add low water cut-off function - Maximum water supply pressure 150 psi (10.5 kg/cm2) - Maximum inlet water temperature 120¦F (49¦C) - Maximum vessel pressure 30 psi (2.1 kg/cm2)