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WRMV/WRSCV ValveThe Willoughby WRMV and WRSCV Retrofit Pneumatic Valve Assemblies are self-contained valve cartridges designed to convert plumbing fixtures from mechanical, pushrod, or toggle valves to pneumatic operation. The valve cartridges are designed to fit into existing brass lavatory castings and are direct replacements for Willoughby mechanical valves manufactured after 1985. WRMV and WRSCV retrofit valves can be specified in Single Temp. Metering (WRMV-1B), Dual Temp. Metering (WRMV-2B), Single Temp. Non-metering (WRSCV-1B), or Dual Temp. Non-metering (WRSCV-2B) configurations. Standard WRMV and WRSCV valve assemblies will typically come with push button assemblies, pneumatic tubing and fittings, and applicable pneumatic cartridges. The valve assembly is designed for operational pressure between 35-70 psi (90 psi max.) and recommended with a max. operation temperature of 110° Fahrenheit.