Watts 740-2-40 Relief ValveThe Watts 740 2 40 relief valve is a reliable safety device designed to protect boilers and hot water systems from dangerous pressure buildup. This 2" x 2 1 2" relief valve is rated for 40 psi, providing dependable venting to prevent overpressurization in residential and light commercial applications. With a capacity of 6,440 MBtu, the unit is built to handle demanding operation while maintaining precise relief performance. The model designation

208/240 VAC coil voltage for dependable actuation

ensuring compatibility and reliable replacement

Brand: Honeywell Thermal Solutions

low-voltage thermostat offers both 5-1-1/5-2/7 Day Programmable and Non-Programmable modes for 1-Heat systems

Improved ignition and flame stability for reliable warmth

Simple mounting into standard duct components for quick retrofits and upgrades

this vent cap delivers durable

OEM AO Smith replacement part suitable for 9005888205 and 100110703 kits

terminal type screw/spade

Built for 24V AC systems

while the end hinge supports simple mounting and maintenance access

With a robust construction and rapid ignition