Aaon R48770 Check Valve 320734-701 This is a stem up

This is a stem up open model

Flexible Installation: The 8' capillary tubing allows the sensing bulb to be positioned in the optimal airflow path while keeping the switch housing in an accessible service area

the D503157 improves system efficiency and protects equipment from the corrosive effects of trapped oxygen and the performance-dampening impact of gas pockets

the York S1-2845-3209 Motor is the industry-standard OEM replacement draft inducer for a prompt and reliable fix

this unit offers standard mounting dimensions

Aaon R48770 Check Valve 320734-701 This is a stem upThe Aaon R48770 Check Valve is a 1 2 inch magnetic check valve engineered for precision refrigerant flow control in high performance HVAC systems. This HVAC check valve utilizes a magnetic seating mechanism that ensures a positive seal without the pressure drop typical of spring loaded alternatives. Designed specifically for Aaon rooftop units and condensers, the R48770 prevents lateral migration of refrigerant and backflow during compressor idle