Therm Products | Flo Thru Htr 1.0kW 1.5"x9.625"(Coleman) | C1100-0116

Therm Products | Flo Thru Heater 5.5kW 2"x13.313" PS/SBI W/PS (GPM) | C2550-0408ET

C2450-0307ET Therm Products Flo thru Heater 4.5KW 2"x15" Hydroquip 5/97-Now

Therm Products | Flo Thru Heater, 1.0KW 120V 2"x10", Inc. Split Nuts | C1100-1200-1

C2550-0736 Therm Products Flo Thru Heater 5.5KW 2"x15", 180o P/S Tap (Advanced Spa)   Substitute Item: 26-0736-7S-K Alternate Item: 48-1555-HS

Therm Products | Flo Thru Htr, 2" x 11", 5.5kW, Correct-Tech | C2550-2311ET

C2400-2311ET Therm Products Flo Thru Htr, 2" x 11", 4.0kW, Correct-Tech

C2400-2300ET Therm Products Flo Thru Htr, 2" x 12.5", 4.0kW, Correct-Tech   Substitute Item: 26-2300-5S-K

C2550-0024ET Therm Products Flo Thru Htr, 2" x 15", 5.5kW, Vita Spas, No Pressure Tap   Alternate Item: 27-J0425-7S-K

Therm Products | Emerald/Conway Heater 1.5"x16" | C2550-0142

Therm Products | D-1 Htr Assy 1.5"x10" 1kW, Little Dipper | C1100-0109

Therm Products | Heater Assy 2"x15" 5.5kW 240V for Dual Sensor Systems | C2550-0807   Alternate Item: G7512

C2550-0021 Therm Products Cal Spa 1990-92 1.5"x15.75"

Therm Products | Flow Thru Htr. 1.9" x 8.5" Long, 1.0KW 120V(Icon/Jumpking) | C1100-0115

Therm Products | Flo Thru Heater 4.0KW 240V 2" x 15",Maddox | C2400-0073

C2550-1004 Therm Products Flo-Thru Heater Assy, (ACC) 5.5 kW,12"