The Watts 0383740 (Series 740) is a high-capacity iron body boiler pressure relief valve designed specifically for large-scale hot water industrial and commercial heating systems

Heavy-Duty Construction: Features a robust metal housing and moisture-resistant sealing to withstand rigorous environment cycles

Field Flexibility: Shipped without an orifice to allow for precise metering device matching based on specific tonnage and system requirements

Smith appliances for versatile inventory management

and Payne furnace models requiring the 327970-701 specification

Trane VAL7466 Valve 340793-762 The Watts 0383740 (Series 740)The Trane VAL7466 is a precision engineered 1. 5 ton thermostatic expansion valve designed specifically for R 22 refrigerant systems. This TXV replacement features a 0. 38 inch by 0. 50 inch ODF (Outside Diameter Female) solder connection, ensuring a secure, leak resistant fit in HVAC evaporators. As a critical metering device, the VAL07466 regulates liquid refrigerant flow based on evaporator load, maintaining the necessary superheat to prevent