Intermatic 156T4042A Fireman Switch 15' x 30' With a 7/16" outside diameter

With a 7/16" outside diameter end on one side and a 3/8" outside diameter tube compression fitting on the other

whether you're using 2 1/2"

it ensures long-lasting performance and resistance to harsh pool chemicals

With a secure

it prevents debris buildup and minimizes maintenance

Intermatic 156T4042A Fireman Switch 15' x 30' With a 7/16" outside diameterThe Intermatic 156T4042A Fireman Switch provides coordinated control of pool and spa heaters, ensuring efficient shutdown and longer heater lifespan. Designed to turn off gas fired heaters 20 minutes before the filter pump, it prevents overheating, reduces scale buildup, and eliminates loud knocking sounds. Ideal for indoor and outdoor applications, this reliable switch enhances heater efficiency and protects pool and spa equipment from premature