Therm 4.0 kW [17-1/2" x 3"] Heat Exchanger Heater [w/PS Tap] [Leisure Bay] (F2400-1001) calvertengineering The Raypak bypass spring is

The Raypak bypass spring is designed for compatible 185

Best matched by manufacturer

while the 4

This OEM replacement is a practical choice for compatible UltraFlow pumps that need renewed hydraulic performance and a more complete repair result

flow style

Therm 4.0 kW [17-1/2" x 3"] Heat Exchanger Heater [w/PS Tap] [Leisure Bay] (F2400-1001) calvertengineering The Raypak bypass spring isThe Therm 4. 0 kW heat exchanger heater is designed for compatible Leisure Bay applications using a 17 1 2 inch by 3 inch 240 volt format with a pressure switch tap. Heaters in this configuration are useful because they preserve both the physical plumbing layout and the pressure switch accommodation required by the supported system. This replacement is especially useful when the original heater is leaking, no longer heating consistently, or has failed