Refractory Retainer 199-825 Kit intended-usage_Residential/Light Commercial 90 inches for the rail

90 inches for the rail tubing and the distance between the front rail and back rail is 72inches

The Chemtrol PC7100-UV controller operates like a computer with full-screen displays and direct access to all menus and submenus

The Vertical Modulating Float Valves are designed to be used on a horizontal pipe line and have a working range of no less than 18 inches

This is a Pentair 77707-0076 Metal Flue Collar for Model 200 Max-E-Therm Sta-Rite Pool and Spa Heaters

The Commercial version has more fiberglass reinforcing under the board to accommodate usage at commercial facilities

Refractory Retainer 199-825 Kit intended-usage_Residential/Light Commercial 90 inches for the railThis is a replacement Raypak Refractory Retainer Kit For Model 334, 404, and 514 Pool Heaters.