| 8 | Discontinued | Rear Header, Hayward HM2 | HMXRHD2930 |
| 8 | Discontinued | Rear Header, Hayward HM2, Bronze | HMXRHD2931 |
| 8 | Discontinued | Rear Header, Hayward HM2, with out Gasket, After 2008 | HMXRHA2930 |
| 8 | Discontinued | Rear Header, Hayward HM2, with out Gasket, Bronze | HMXRHA2931 |
| 9 | 47-150-1688 | Hi-Limit, Hayward H-Series/HM2 | HMXHLI2932 |
| 10 | Discontinued | Gasket, Hayward CZ/HM2,Header, Quantity 2 | CHXGKT1930 |
| 12 | Discontinued | Heat Exchanger, Hayward CZ150/HM2 150 | CHXHEX1150 |
| 12 | Discontinued | Heat Exchanger, Hayward CZ200/HM2 200 | CHXHEX1200 |
| 12 | Discontinued | Heat Exchanger, Hayward CZ250/HM2 250 | CHXHEX1250 |
| 12 | Discontinued | Heat Exchanger, Hayward CZ300/HM2 300 | CHXHEX1300 |
| 12 | Discontinued | Heat Exchanger, Hayward HM2 350 | CHXHEX1350 |
| 12 | Discontinued | Heat Exchanger, Hayward CZ400/HM2 400 | CHXHEX1400 |
| 13 | Discontinued | Header Bolt Kit, Hayward CZ/HM2 | CHXBLT1938 |
| 14 | 47-150-1238 | Drain Valve, Hayward CZ/HM2/ED2 | HAXDRV1930 |
| 15 | Discontinued | Plug, Hayward, 3/4" Male Pipe Thread, Brass | CHXPLG1930 |
| 16 | Discontinued | Bypass Assembly, Hayward HM2 | HMXBYP2930 |
| 17 | 47-150-1692 | Immersion Hi-Limit, Hayward HM/HM2 | HMXHLI2931 |
| 18 | 47-150-1244 | Pressure Switch Adapter, Hayward CZ/PSG/SG/H-Series/HM2 | CHXPSA1930 |
| 19 | 47-150-1106 | Bulb Well, Hayward CPS/CZ/PSG/SG/H-Series/HM2 | CHXTBW1930 |
| 20 | Discontinued | Front Header, Hayward HM2 | HMXFHD2930 |
| 20 | Discontinued | Front Header Assembly, Hayward HM2, Bronze | HMXFHA2931 |
| 21 | Discontinued | Thermostat, Hayward HM/HM2, Flow Control | HMXFCT2930 |
| 22 | Discontinued | Cover Plate, Hayward HM2 | HMXCPL2930 |
| 22 | Discontinued | Cover Plate, Hayward HM2, Bronze | HMXCPL2931 |
| 23 | Discontinued | Cover Plate Bolt, Hayward HM2, Quantity 2 | HMXCPB2930 |
| 24 | Discontinued | Gasket Kit, Hayward HM/HM2, Flange | HMXGKT2930 |
| 25 | Discontinued | Flange, Hayward HM2, Quantity 2 | HMXFLG2930 |
| 26 | Discontinued | Flange Bolt Kit, Hayward CZ/HM2 | CHXBLT1934 |
| 28 | 47-150-1266 | Thermostat, Hayward CZ/HM/HM2, with out Knob | CHXTST1930 |
| 29 | 47-150-1268 | Thermostat Knob, Hayward CZ/HM2, Black | CHXTSK1930 |
| 30 | Discontinued | Thermostat Dial Lock, Hayward CZ/HM/HM2 | CHXTDL1930 |
| 31 | 47-150-1272 | Rocker Switch, Hayward CZ/HM2/H-Series, On/Off | CHXTSW1930 |
| 32 | Discontinued | Indicator Light, Hayward Heatmaster HM2, LED | |
| 33 | Discontinued | Pressure Switch Tube, Hayward CZ/HM2 | CHXPST1930 |
| 34 | Discontinued | Pressure Switch, Hayward CPS/CZ/HM2/PSG II/SGII | |
| 47 | Discontinued | Sensor, Temperature, Hayward CZ/HM2 | CHXTLS1930 |
| 48 | Discontinued | Main Burner, Hayward CZ/HM2 | CHXBNR1930 |
| 49 | Discontinued | Gas Valve, Hayward CZ150-300/HM2 150-300/PSG, Nat., MV | CHXVAL1931 |
| 49 | Discontinued | Gas Valve, Hayward CZ400/HM2 350-400, Nat., MV | CHXVAL1935 |
| 50 | Discontinued | Gas Valve, Hayward CZ/HM2, LP, MV | CHXVAL1932 |
| 50 | Discontinued | Pilot Burner, Hayward CZ/HM2, without Orifice, Nat. | CHXPBR1931 |
| 50 | Discontinued | Pilot Burner, Hayward CZ/HM2, with outrifice, LP | CHXPBR1932 |
| 51 | Discontinued | Pilot Tube, Hayward CZ/HM2 | CHXPTB1930 |
| 52 | 47-150-1292 | Pilot Generator, Hayward CPS/CZ/HM2/PSG/SGII | CHXGEN1930 |
| 54 | Discontinued | Burner Orifice, Hayward CZ/HM2, Natural | CHXBON1930 |
| 54 | Discontinued | Burner Orifice, Hayward CZ/HM2, LP | CHXBOP1930 |
| 55 | Discontinued | Frame, Hayward HM2 Model 350, Burner Tray | CHXBTF1350 |
| 56 | 47-150-1298 | Manual Spark Igniter, Hayward CPS/CZ/HM2 | CHXMSI1930 |
| 57 | Discontinued | Door Screw, Hayward CPS/CZ/HM2 | CHXDSW1930 |
| 63 | 47-150-1302 | Transformer, Hayward, CZ/HM2/ED2/H-Series, 115v/230v, 24v | CHXTRF1930 |
| 65 | Discontinued | Ignition Module, Hayward CPS/CZ/PSG/SG/H-Series/HM/HM2, Nat. | CHXMOD1931 |
| 65 | Discontinued | Ignition Module, Hayward CPS/CZ/PSG/SG/H-Series/HM/HM2, LP | CHXMOD1932 |
| 66 | Discontinued | Ground Lug, Hayward H-Series/HM2/ED2 | CHXGRL1930 |
| 67 | Discontinued | Gas Valve, Hayward CZ150-300/HM2 150-300/PSG, Nat., IID | CHXVAL1933 |
| 67 | Discontinued | Gas Valve, Hayward CZ400/HM2 350-400, Nat., IID | CHXVAL1936 |
| 67 | Discontinued | Gas Valve, Hayward CZ/HM2, LP, IID | CHXVAL1934 |
| 68 | Discontinued | Pilot Assembly, Hayward CZ/HM2, without Orifice, Nat., IID | CHXPBR1933 |
| 68 | Discontinued | Pilot Assembly, Hayward CZ/HM2, without Orifice, LP, IID | CHXPBR1934 |
| 68 | Discontinued | Gasket, Hayward HM2, Thermoflo Control, 2 Pieces | HMXGKT2931 |
| Discontinued | Front Header Assembly, Hayward HM2 | HMXFHA2930 |
| Discontinued | Front Header Assembly, Hayward HM2, Bronze | HMXFHA2931 |
| Discontinued | Heat Exchanger, Hayward HM150 | |
| Discontinued | Heat Exchanger, Hayward HM200 | |
| Discontinued | Heat Exchanger, Hayward HM250 | HMXHXA2250 |
| Discontinued | Heat Exchanger, Hayward HM300 | HMXHXA2300 |
| Discontinued | Heat Exchanger, Hayward HM350 | HMXHXA2350 |
| Discontinued | Heat Exchanger, Hayward HM400 | HMXHXA2400 |