000 BTUs of consistent thermal output

Featuring a 1550 RPM rated speed and two-speed functionality

specific outdoor-rated cabling is recommended

The counter-clockwise (CCW) rotation and dual-inlet design ensure maximum CFM output and static pressure performance

Watts 0383800 Valve 30067439-890 000 BTUs of consistent thermalThe Watts 0383800, also designated as the Model 740 1 1 2 60, is a high capacity boiler pressure relief valve designed for heavy duty protection in hot water space heating applications. Engineered with a rugged iron body and a 1. 5 inch FNPT inlet by 2 inch FNPT expanded outlet, this valve facilitates massive discharge rates of up to 4,907,000 BTU hr. As a veteran grade ASME Section IV safety device, it utilizes a non mechanical disc to metal