Coates Heater Q-12DS Flow Switch Relay [240v] (21006010) defilters A spa jet is useful

A spa jet is useful because it helps deliver the intended water action and circulation inside the spa

Designed for compatible 6100

or no longer sealing or fitting correctly

or no longer tightening evenly

Using the correct sea-level orifice helps preserve setup accuracy and intended combustion behavior

Coates Heater Q-12DS Flow Switch Relay [240v] (21006010) defilters A spa jet is usefulA flow switch relay helps interpret or manage the signal from the flow monitoring side of the heater system, and this Coates Q 12DS relay is designed for compatible 240 volt applications where the original relay has failed or become unreliable. When the relay tied to flow protection begins to fail, heater operation can lose an important part of its control logic. The Q 12DS format and 240 volt relationship give this part practical value because