Temperature/pressure guage; 75 PSI, 320⁰F (included with NH series boilers).

PART # TPG1-30

Safety relief valve (included with NH series boiler).

PART # HTGSRV-1

Valve handles are positioned for easy access and operation, even in a recess box installation. Easy access full port drain valve assures effective system maintenance.

PART # IK-WV-9-TH (threaded)

PART # IK-WV-9-SW (sweat)