Therm Products Flo Thru Heater

This unit features a standard 2.0-inch connection port, which is the most common size for residential spa plumbing. However, you should measure your current union fittings to ensure they match this diameter before purchasing.

No, this is a replacement heater housing and element assembly. While it includes the necessary sensor grooves and a port for a pressure switch, you will need to transfer your existing sensors and switch from your old unit or purchase new ones separately.

Yes, this is designed as a universal-style direct replacement for many spa brands. As long as your spa requires a 5.5kW, 230V electric flow-through heater with 2-inch plumbing, this unit is likely compatible.

The heater measures 15 inches in length with a 2-inch diameter housing. Before ordering, measure the available space in your spa's equipment bay to ensure you have enough clearance for the heater and the plumbing connections.

While stainless steel is durable, it is susceptible to corrosion in salt water spa environments if the water chemistry is not perfectly balanced. If you have a salt water system, you must monitor your pH and sanitizer levels strictly to prevent premature degradation of the heater element.