H-Series Heater Pressure Switch Adapter fitting-connection_Insert is a medium duty Argon

is a medium duty Argon and Argon/CO2 mix regulator

The wedge is cast bronze and hardware is 304 stainless steel

This starting block has a Patent Pending integral backstroke start ledge that is adjustable to five positions

The SkimSaver Lid'l corners are radius and the surface tapered smooth

Total Bromine and pH

H-Series Heater Pressure Switch Adapter fitting-connection_Insert is a medium duty ArgonThis is a Hayward Pressure Switch Adapter for the H Series Induced Draft Millivolt Electronic ED1 Style Low NOx Heaters and H250IDL2 H350IDL2 H400IDL2 Pool and Spa Hot Tub Heaters. Also fits on Hayward Heatmaster HM2, CZ, CSP, SG II, PSG II heaters.