Therm Heater Tailpiece [3" MBT x 2" Slip] [w/O O-Ring] (86-02373) prostar or intermittent

or intermittent

Three button format restores correct visual labeling

That helps restore dependable one-way water flow with a direct replacement

The M7 design also helps preserve the system relationship that many Balboa-equipped spas were built around for dependable heat management

and 18/3 wire format using the 600DB0721 reference

Therm Heater Tailpiece [3" MBT x 2" Slip] [w/O O-Ring] (86-02373) prostar or intermittentThe Therm heater tailpiece is designed for compatible heater plumbing applications that use a 3 inch male buttress thread by 2 inch slip connection and do not require an included O ring. Tailpieces are useful because they help maintain a serviceable heater connection while matching the plumbing size and connection style the installation was built around. This replacement is especially useful when the original tailpiece is cracked, damaged, or no