Watts HP-BHM-100 - Part of the HP-BHM Series ZA100F-4NH It consists of a lead

It consists of a lead fee cast copper silicon alloy body

Set pressure 70 psi

a pour-on gravel binder by Cell-Tek

ZB415B-3NH

It features an epoxy-coated cast iron body with an integral countersunk deck flange for secure anchoring and a square top size of 15⅝″ equipped with a heel-proof ductile iron grate

Watts HP-BHM-100 - Part of the HP-BHM Series ZA100F-4NH It consists of a leadThis 1 inch hydronic package kit is used for commercial and residential closed loop hydronic heating systems. It includes a micro bubble air separator, a system purge valve with swivel flange for connection to the air separator and boiler fill fitting for the attachment of the system fill valve and expansion tanks. This package provides an economical solution for buying boiler components that make boiler piping simple and service to your system easy.