Harmsco BF55C/105SC/155SC Tank Lid Gasket (O-290) lamotte A part like this is

A part like this is useful because it restores the active massage-style feel of the jet while helping the visible trim face look complete and coordinated again

Supports more dependable system temperature feedback

This type of part is especially useful when the system needs a close-match replacement for a specific DTEC-1 pressure-switch profile

A relay helps control compatible electrical circuits by allowing one signal to switch another circuit

and a more refined finished look

Harmsco BF55C/105SC/155SC Tank Lid Gasket (O-290) lamotte A part like this isA tank lid gasket helps create a seal between a compatible tank body and lid assembly, and this version is designed for Harmsco BF55C, 105SC, and 155SC related applications using the O 290 reference. When a lid gasket becomes flattened, brittle, or damaged, the tank can lose the secure closure it should maintain. The multi model Harmsco fitment gives this gasket practical value because tank lid seals work best when the replacement matches the intended