ensuring the valve returns to its fail-safe closed position during power loss

Includes precision-drilled LP burner orifices to prevent over-firing or under-firing the equipment

ensuring stable thermal performance across diverse commercial and residential applications

maintaining a consistent thermal equilibrium inside the structure

and bore size (22"

Watts 0009818 Valve 328140-751 ensuring the valve returns toThe Watts 0009818, known in the field as the Series 26AA, is a specialized small capacity pressure regulator designed for high precision water applications. This 1 2 inch water pressure reducing valve is factory calibrated for a pressure range of 1 to 25 psi, making it the industry standard for evaporative coolers, fountain dispensers, and laboratory equipment where low flow consistency is critical. Featuring a lead free brass body and a rugged