Raypak 105A/105B/155A/185A/R185/185/207A Sensor Well (003765F) marathonelectric A heater has to fit

A heater has to fit the plumbing path correctly and provide the level of output the spa was designed around if the repair is going to feel complete

or no longer delivering the expected flow rate

details like a mounting stud can make a big difference in how cleanly and securely the final installation comes together

Useful when the original sight glass is cracked or cloudy

center-port configuration

Raypak 105A/105B/155A/185A/R185/185/207A Sensor Well (003765F) marathonelectric A heater has to fitThe Raypak sensor well is designed for compatible 105A, 105B, 155A, 185A, R185, 185, and 207A heater applications where the sensor mounting location needs replacement. A sensor well is useful because it provides the protected interface where the supported sensing component can be positioned to monitor conditions accurately. This replacement is especially useful when the original sensor well is corroded, damaged, leaking, or no longer holding the