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the 068Z3348 utilizes replaceable orifices to match specific evaporator loads
This heavy-duty replacement powerhead is essential for maintaining hydronic heating systems
Standard 750mv output compatible with most major brand millivolt gas valves and thermostatic controls
polyethylene tubing frequently used in HVAC pneumatic controls
Johnson Controls VG7241PT+3008E Valve Assembly 30067439-890 the 068Z3348 utilizes replaceable orificesThe Johnson Controls VG7241PT+3008E is a heavy duty 1 1 4 inch NPT pneumatic valve assembly designed for high demand HVACR applications. This 2 way normally open valve features a robust cast bronze body and durable brass trim, engineered to manage hot water, chilled water, or saturated steam up to 15 psig. With a high 18. 5 Cv flow capacity and an equal percentage flow characteristic, this unit ensures precise modulating control and stable system