Watts 354A-030 - Part of the 335 Series Drain Fitting ZB191-RD-4X18-2IP

ZB191-RD-4X18-2IP

ensuring consistent flow and simplifying maintenance

self-locking ductile iron dome

and bottom outlet

Z451B-2NL-B

Watts 354A-030 - Part of the 335 Series Drain Fitting ZB191-RD-4X18-2IPThis 3 4 inch pressure relief valve is used in hot water boiler applications to protect against excessive pressure on all types of hot water heating boiler equipment. It consists of a iron body with forged bronze inlet, non metallic disc to metal seating and stainless steel spring. This valve resists corrosive water conditions, sticking and freezing, and prevents water and sediment from being trapped in the seat. It is designed for emergency safety