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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
The Watts 0383310 (Model 740-1 1/4-50) is a high-capacity ASME Section IV heating boiler safety relief valve designed for overpressure protection in large-scale commercial and industrial hydronic heating systems
While this is labeled as a high-altitude pressure switch
Engineered for institutional and commercial environments
while the internal stem design allows for precise flow modulation and positive shut-off
IO Hvac Controls iO-WWPS Power Supply 320788-702 The Watts 0383310 (Model 740-1The iO HVAC Controls iO WWPS is a specialized 12VDC 1500mA power supply specifically engineered for the iO WWLP Logic Panel. As a critical component of the Warning Watchdog condensing unit alarm system, this plug in transformer provides the stable 12 volts DC required to energize the main logic board, siren cut off timers, and LED status indicators. Professional installers rely on the iO WWPS to maintain consistent 1. 5 Amp output, ensuring that the
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