With the float in the down position

The internal silicone diaphragm is specifically rated for air and combustion by-products

this module provides the precise HVAC burner control timing necessary for safe combustion

and ProMax series

It is an ideal replacement fan blade for 18-inch condenser units requiring a 2-blade configuration and a 1/2" shaft fitment

Nordyne 663734 Flexible Hose 321894-709 With the float in theThe Nordyne 663734 Flexible Hose is a critical OEM replacement part engineered for high performance fuel delivery in Nortek and Nordyne heating systems. As a veteran grade flexible burner hose, this component is designed to facilitate a secure, vibration resistant connection between the fuel line and the burner assembly. This direct fit replacement ensures consistent HVAC fuel flow, effectively mitigating the risk of leaks and system malfunctions in