This is a replacement differential pressure switch for measuring flow rate in select Burnham hot water boilers.
Product Compatible With
- Burnham ESC7 Hot Water Boilers
- Burnham ESC3 Hot Water Boilers
- Burnham PVG7 Hot Water Boilers
- Burnham PVG3 Hot Water Boilers
This product is rated for altitudes of 5,000' to 10,000' when used with Burnham ESC3 or PVG3 hot water boilers.