Raypak Heat Exchanger Assy w/ Copper Polymer Kit Complete - 336/337 Hayward Pump while the see-thru head lets

while the see-thru head lets you view the bottom while cleaning

pH dispense can be achieved using the second kit

and SM2506T

Maximum Breaker - 60amp

VLLS-103S (3-Step Stainless Tread)

Raypak Heat Exchanger Assy w/ Copper Polymer Kit Complete - 336/337 Hayward Pump while the see-thru head letsProduct Description Raypak Replacement Complete Heat Exchanger Assembly w Polymer Kit for ALL Models. Raypak Item Code: 010045F (Prior to 10 2019) and 017996F (From 10 2019) 010045F & 017996F have been discontinued Features Genuine Raypak Replacement Copper Heat Exchanger Assy Complete w Polymer Kit. Compatible with ALL Raypak and Rheem Electronic Ignition Heaters: P R336A EN C, and P R336A EP C. Compatible with ALL Raypak and Rheem Millivolt Ignition