Caleffi 551066A Air SeparatorCaleffi 551066A Discal Air Separator with a 1 inch press connection is a compact, high efficiency air separator designed for modern hydronic systems. By removing entrained air from circulating water, it improves heat transfer, reduces pump wear, prevents cavitation, and minimizes noise in heating and cooling circuits. The 1 inch press connection enables straightforward installation in tight spaces and retrofit projects, helping you preserve space

replacing 8116142 and 8116152

It combines robust construction with the right electrical specifications to meet standard performance needs in residential systems

Beckett 7505A0000 is a dependable Genisys Relay Control designed for oil burner systems

Pressure Tap 1/8 Inch Threaded

it offers a 4-way wiring arrangement

AC-powered solenoid valve for steam control

Temperature rating: 300 Deg F

The 24 VAC coil operates at 50/60 Hz

offering excellent resistance to water-based fluids

Cv 43 with robust internals: NBR/PTFE seal and disc

UL/CE listed with RoHS compliance

it serves as a reliable replacement part that safeguards equipment and long-term performance