mes C400 and Ames C500 are reduced pressure principle assemblies. This model was produced under the Hunter name from 2000-2002. In 2002 Watts bought the Hunter models and began producing them as the Ames C400. Watts also produces this under the Watts name as the model 957. The "C" designation refers to Ames Colt brand name. The body is stainless steel tubing. To access the check components a sleeve is mounted over the access cover. On the 2 1/2"-6" size the sleeve slides over the body to access the check components. On the 8"-10" size the sleeve is attached by two grooved couplings. The check components are modular and constructed of Noryl plastic. The check utilizes a torsion spring which is contained when the check module is removed from the body. The check spring must be extended and controlled with a pin or screwdriver to replace the check disc. The check discs are either an EPDM or silicone. The body length dimensions may be up to 1" shorter than shown in the dimension chart on versions earlier than 2003. The body dimension does not change the repair parts inside. The relief valve body attaches to the outside of the check body and is pressurized with an external RV sensing line.
Repair Parts are the same as Watts 957RPDA click here to view!
C500 / C500N / C500Z
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