the 2721-628G is the appropriate equivalent

This HVAC burner orifice is engineered to withstand the thermal stress of high-efficiency combustion chambers

What are the signs that this switching relay has failed

Supports proper heating and cooling cycle operation

Can this actuator be used in fire and smoke applications

Ranco V2-4100F0-370 Reversing Valve 30067439-890 the 2721-628G is the appropriateThe Ranco V2 4100F0 370 is a heavy duty 4 way reversing valve engineered for precision refrigerant flow control in residential and light commercial heat pump applications. Rated for a 2 ton nominal capacity, this slide type valve is fully compatible with both R22 and R410A systems, making it a versatile drop in for reversing valve replacement projects involving split systems, unitary units, or window type heat pumps. Constructed with a hermetically