Tecmark Solid State Thermostat [120VAC] [5/16" x 4 ft] (ETS1000120040LP) sundancespas Installed in the proper Dura

Installed in the proper Dura Jet application

this air switch helps support dependable control sequencing and better long-term pneumatic-system reliability

That makes the union-style design a practical advantage in addition to its flow-control role

Useful when original wet ends are worn or underperforming

Tecmark Solid State Thermostat [120VAC] [5/16" x 4 ft] (ETS1000120040LP) sundancespas Installed in the proper DuraThe Tecmark solid state thermostat is designed for compatible 120 volt AC applications using a 5 16 inch by 4 foot sensing arrangement. Solid state thermostats are useful because they provide temperature control without relying on older mechanical switching methods, often supporting more consistent response over time. This replacement is especially useful when the original thermostat has become inaccurate, unresponsive, or no longer controlling