A backflow preventer specially made for low flow supply lines. Its purpose is to prevent the flow of polluted water back into the safe drinking water supply.
Particularly recommended for residential boiler feed lines to prevent backflow when supply pressure falls below heating system pressure. Suitable for use under continuous pressure.

• Suitable for either hot or cold water service
• Bronze body construction with stainless steel working parts
• Durable rubber diaphragm and disc
• Suitable for working supply pressures up to 175 psi
• Emergency backflow temperatures up to 250°F
• Minimum pressure required: 25 psi