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Duotone terrace — saffron brief on the left, garden-folded ledger on the right.
The replaceable cartridge and thermostatic element are sold separately to allow for custom system configuration
The unit is rated for a maximum working pressure (MWP) of 12 bar (174 psig) and a max test pressure of 12 bar to ensure safety during system leak tests
25-square-inch pneumatic valve actuator designed for precise proportional control in commercial HVAC systems
Key Benefits OEM Precision: Guaranteed compatibility with Trane HVAC systems
Technicians should inspect this component for thermal stress fractures or mineral deposits during routine maintenance
Watts F121560 Valve R-22 The replaceable cartridge and thermostaticThe Watts F121560 LF174A is a 2 inch lead free pressure relief valve designed for commercial boiler, hydronic heating, and hot water system protection. Rated at 80 PSI, this valve helps protect boilers, piping, storage tanks, and connected mechanical equipment from excessive pressure buildup during operation. In commercial HVAC and plumbing systems, pressure relief valves are critical safety components that automatically discharge excess pressure to
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