{"product_id":"xylem-179529-s-4-spacer-pcl-pch-series","title":"Xylem 179529 S-4 Spacer Pcl Pch Series","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe XYLEM 179529 is an S-4 spacer designed for use with McDonnell Miller PCL and PCH series controls. Spacers in this product family serve as mechanical separators or mounting components within boiler water feeder and low-water cutoff assemblies. This part provides precise positional spacing between internal components, helping maintain correct alignment and reliable operation of the control unit. Installation is typically performed by licensed plumbers or HVAC service technicians during assembly, repair, or replacement of boiler safety controls.\u003c\/p\u003e\u003cp\u003eThis spacer is intended for use with PCL and PCH series low-water cutoffs and water feeders manufactured under the McDonnell Miller brand, now part of the Xylem product line. It is a service and repair component suited to residential and light commercial hydronic heating systems where accurate component spacing within the control assembly is critical to safe boiler operation.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eDesigned specifically for PCL and PCH series control assemblies\u003c\/li\u003e\n\u003cli\u003eServes as a mechanical spacer to maintain proper component alignment\u003c\/li\u003e\n\u003cli\u003eOEM-style replacement part for McDonnell Miller boiler controls\u003c\/li\u003e\n\u003cli\u003eSupports reliable, safe operation of low-water cutoff and water feeder units\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use with McDonnell Miller PCL and PCH series low-water cutoff and water feeder controls within the Xylem product line.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a licensed plumber or qualified HVAC technician. Before servicing any boiler control assembly, shut down the boiler, relieve system pressure, and allow the unit to cool completely. Refer to the applicable control assembly service manual and local boiler codes before disassembly or reassembly.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type\u003c\/strong\u003e: S-4 Spacer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries Compatibility\u003c\/strong\u003e: PCL \/ PCH\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: XYLEM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 179529\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"XYLEM","offers":[{"title":"Default Title","offer_id":51467459232050,"sku":"179529","price":93.31,"currency_code":"USD","in_stock":false}],"url":"https:\/\/voomisupply.com\/products\/xylem-179529-s-4-spacer-pcl-pch-series","provider":"Voomi Supply","version":"1.0","type":"link"}