644266A Caleffi 1" Press Union.

Caleffi 6442 Series 2-Way Straight. Motorized Ball Zone Valves.

Two-way motorized ball zone valve 3-wire floating fail-in-place actuator with micro-switch Maximum operating pressure: 150 psi Fluid temperature range: 20 – 230 °F Ambient temperature range: 32 – 130 °F Power supply: 24 VAC Power consumption: 4 VA Auxiliary contact rating: 5A.