Model Number History

Construction Dates Product Line Model Numbers Status Basic Types IPL
2019-current E3T 0005, 0011, 0018, 0027 CURRENT P 9100.91
2018-current XTherm Indirect 1005A, 1505A, 2005A CURRENT H 9100.86
2017-current XVers 0856, 1006, 1256, 1506, 1756, 2006, 2506, 3006 CURRENT H 9300.95
2017 – current Hi Delta 992C, 1262C, 1532C, 1802C, 2002C, 2072C, 2342C CURRENT P 9300.763
2017 – current Hi Delta 502C, 652C, 752C, 902C CURRENT P 9300.753
2017 – current Hi Delta 992C, 1262C, 1532C, 1802C, 2002C, 2072C, 2342C CURRENT H WH 9300.763
2017 – current Hi Delta 302C, 502C, 652C, 752C, 902C CURRENT H WH 9300.753
2016 – current 84 Professional R259B, R409B CURRENT P See Manual
2016 – current XTherm 2505, 3005, 3505, 4005 CURRENT P 9300.91
2015 – current XPakFT 88AR, 108AR, 198AR, 278AR, 398A CURRENT H 9300.93
2015 – current XTherm 2505, 3005, 3505, 4005 CURRENT H WH 9300.91
2015 – current XTherm 1005A, 1505A, 2005A CURRENT P 9300.90
2014 – current Pro Series S-R410 CURRENT P See Manual
2014 – current XTherm 1005A, 1505A, 2005A CURRENT WH 9300.90
2014 – current MVB 504A, 754A, 1104A, 1504A, 2004A CURRENT P 9300.745
2014 – current MVB 2503, 3003, 3503, 4003 CURRENT WH 9300.743
2013 – current XTherm 1005A, 1505A, 2005A CURRENT H 9300.90
2013 – current MVB 2503, 3003, 3503, 4003 CURRENT H 9300.743
2013 – current MVB 504A, 754A, 1104A, 1504A, 2004A CURRENT H, WH 9300.745
2013 – current MVB 503A, 753A, 1003A, 1253A, 1503A, 1753A, 2003A CURRENT H, WH 9300.744
2013 – current Pool P-106, P-156 CURRENT P 9100.83
2012 – current XFyre 300A, 400A, 500A, 700A, 850A CURRENT H , WH 9300.87
2012 – 2015 Xtherm 1005, 1505, 2005 OBSOLETE P 9300.742
2012 – 2014 MVB 2004 OBSOLETE P 9300.741
2012 – 2017 Hi Delta 2002B, 2072B, 2342B OBSOLETE P 9300.762
2012 – 2016 84 Professional R259, R409 OBSOLETE P 9100.82
2011 – current Pool Heat Pump 2350, 3350, 4350 CURRENT RHP 9100.79
2011 – current Pool Heat Pump R10353ti, R10354ti CURRENT RHP 9100.81
2011 – current Pro Series 268A, 408A CURRENT P 9100.561
2011 – current Instant-Pak 188, 208 CURRENT Instant-Pak 9300.89
2010 – current Hi Delta HD101, HD151, HD201, HD251, HD301, HD401 CURRENT H, WH 9300.78
2010 – 2012 XFyre 400, 700 OBSOLETE H, WH 9300.79
2009 – 2019 XPak XPak 85, XPak 120 OBSOLETE XPak See Manual
2009 – current Pool Heat Pump 5350, 6350, 8350, 5356, 5357, 5358, 6356, 6357, 6358, 8353, 8354, 8357, 8358 CURRENT RHP 9100.75
2009 – 2012 XFyre 300, 500, 850 OBSOLETE H, W, WH 9300.79
2009 – 2010 Pool Heat Pump 5310, 6310, 8310 OBSOLETE RHP 9100.76
2008 – 2012 Raytherm 2100, 2500, 3001, 3500, 4001 OBSOLETE WHP 9100.70
2008 – 2012 Raytherm 1287, 1336, 1414, 1468, 1571, 1631, 1758, 1826 OBSOLETE WHP 9100.65
2008 – 2012 Xtherm 1005, 1505, 2005 OBSOLETE WHP 9300.742
2008 – 2013 Xtherm 1005, 1505, 2005 OBSOLETE H, WH 9300.742
2007 – current Delta Ltd 989B, 1259B, 1529B, 1799B, 1999B, 2069B, 2339B CURRENT H, WH 9300.811
2007 – current Delta Ltd 399B, 499B, 649B, 749B, 899B CURRENT H, WH 9300.801
2007 – 2017 Hi Delta 302B, 402B, 502B, 652B, 752B, 902B OBSOLETE H, WH, P 9300.752
2007 – 2016 Hi Delta 302B, 402B, 502B, 652B, 752B, 902B OBSOLETE W 9300.752
2006 – 2014 MVB 2004 OBSOLETE WHP 9300.741
2006 – 2012 Hi Delta 2002B, 2072B, 2342B OBSOLETE WHP 9300.762
2006 – 2013 MVB 504, 754, 1104, 1504 OBSOLETE P 9300.741
2006 – 2013 MVB 504, 754, 1104, 1504, 2004 OBSOLETE H 9300.741
2006 – 2013 MVB 504, 754, 1104, 1504, 2004 OBSOLETE WH 9300.741
2006 – 2013 MVB 503, 753, 1003, 1253, 1503, 1753, 2003 OBSOLETE H 9300.74
2006 – 2013 MVB 503, 753, 1003, 1253, 1503, 1753, 2003 OBSOLETE WH 9300.74
2006 – 2017 Hi Delta 992B, 1262B, 1532B, 1802B OBSOLETE P 9300.762
2006 – 2017 Hi Delta 992B, 1262B, 1532B, 1802B, 2002B, 2072B, 2342B OBSOLETE H, WH 9300.762
2006 – 2016 Hi Delta 992B, 1262B, 1532B, 1802B, 2002B, 2072B, 2342B OBSOLETE W 9300.762
2005 – 2013 Versa 130A OBSOLETE P 9100.21
2004 – current Digital 207A, 267A, 337A, 407A CURRENT P 9100.57
2004 – current Digital / Millivolt 206A, 266A, 336A, 406A CURRENT P 9100.56
2004 – 2008 Pool Heat Pump 5100, 6100 OBSOLETE RHP 9100.78
2004 – 2006 Hi Delta 302A, 402A, 502A, 652A, 752A, 902A OBSOLETE H, W, WH, P 9300.751
2004 – 2005 Hi Delta 992A, 1262A, 1532A, 1802A, 2002A, 2072A, 2342A OBSOLETE H, W, WH, P 9300.761
2003 – 2009 ADB 751, 1001, 1501 OBSOLETE H, W, P 9300.72
2003 – 2004 RP2100 R185B, R265B, R335B, R405B OBSOLETE P 9100.555
2002 – 2007 Delta Ltd 989, 1259, 1529, 1799, 1999, 2069, 2339 OBSOLETE H, W, WH 9300.81
2002 – 2007 Delta Ltd 399, 499, 649, 749, 899 OBSOLETE H, W, WH 9300.80
2002 – 2003 ADB 750A, 1000A OBSOLETE H, W, P 9300.71
2001 – current Raytherm 2100, 2500, 3001, 3500, 4001              Manufactured in Canada, 2001 – 2007 CURRENT WH 9300.65
2001 – current Raytherm 926/962, 1083/1125, 1178/1223, 1287/1336, 1414/1468, 1571/1631, 1758/1826 CURRENT WH 9300.50
2001 – 2010 Hi Delta 122, 162, 202, 242, 322 OBSOLETE H, W, WH 9300.77
2001 – 2005 Raytherm 514, 624, 724, 824 OBSOLETE NH, RH 9300.35
2001 – 2005 Raytherm 926/962, 1083/1125, 1178/1223, 1287/1336, 1414/1468, 1571/1631, 1758/1826 OBSOLETE NH 9300.50
2001 – 2004 Pool Heat Pump 100, 115, 160 OBSOLETE RHP none
2000 – current Raytherm 514, 624, 724, 824 CURRENT WH 9300.35
2000 – current Raytherm Econopak 261A, 331A, 401A CURRENT WH 9300.22
2000 – current Raytherm Econopak 260A, 330A, 400A CURRENT WH 9300.22
2000 – 2019 Raytherm 181A, 261A, 331A, 401A OBSOLETE H, W, WH 9300.203
2000 – current Raytherm 182A, 260A, 330A, 400A CURRENT H, W, WH 9300.203
2000 – 2016 Raytherm 133A OBSOLETE WH 9300.11
2000 – 2003 ADB 1500 OBSOLETE H, W, P 9300.71
1999 – 2006 Versa Versa 105B, BRONZE OBSOLETE WHG 9100.24.1
1999 – 2006 Versa Versa 105B, CAST IRON OBSOLETE WHG 9100.24.2
1999 – 2005 Hi Delta 992, 1262, 1532, 1802, 2002, 2072, 2342 OBSOLETE H, W, WH, P 9300.76
1999 – 2000 Raytherm 203, 263, 333, 403 OBSOLETE WH 9300.204
1998 – 2005 Hi Delta 302, 402, 502, 652, 752, 902 OBSOLETE H, W, WH, P 9300.75
1998 – 2004 RP2100 R185A, R265A, R335A, R405A OBSOLETE P 9100.554
1998 – 2003 ADB 1000 OBSOLETE H, W, P 9300.70
1998 – 2002 ADB 750 OBSOLETE H, W, P 9300.70
1992-1999 Booster B-50 OBSOLETE B 9400.29
1997 – 2008 ADB 500 OBSOLETE H, W, P 9300.70
1995 – current Raytherm Econopak 90, 135, 195 CURRENT WH 9300.21
1995 – 2006 Booster B-195 OBSOLETE B 9400.35
1995 – 2001 Pool Heat Pump 072, 104 OBSOLETE RHP none
1995 – 2000 Booster GB35 OBSOLETE B none
1995 – 2000 Raytherm 203, 263, 333, 403 OBSOLETE H, W none
1993 – 1999 RP2100 R185, R265, R335, R405 OBSOLETE P 9100.553
1992 – 1999 Booster B-130 OBSOLETE B 9400.30
1992 – 1993 Versa 185C, 265C, 335C, 405C OBSOLETE WHG 9100.552
1991 – 2006 Versa Versa 155B OBSOLETE WHG 9100.35.1
1991 – 1999 Versa Versa 105A OBSOLETE WHG 9100.24
1990 – current Raytherm Residential 42B, 66B, 90B, 135B, 180B CURRENT H 9300.9.1
1990 – 2000 Raytherm Residential 30B OBSOLETE H 9300.9.1
1990 – 1998 Oil-fired Versa Versa O-315 OBSOLETE WHG 9100.65
1990 – 2013 Versa Versa 055B OBSOLETE WHG 9100.201
1989 – 1990 Raytherm Residential 66A OBSOLETE H 9300.9.1
1989 – 2000 Raytherm 183B, 263B, 333B, 403B OBSOLETE H, W 9300.202
1988 – 1993 Versa Versa 185B, 265B, 335B, 405B OBSOLETE WHG 9100.551
1988 – 1990 Raytherm Residential 135A, 180A OBSOLETE H 9300.9
1987 – 1991 Versa Versa  155A OBSOLETE WHG 9100.35
1987 – 1990 Raytherm Residential 30A, 42A, 90A OBSOLETE H 9300.9
1987 – 1989 Versa Versa 055A OBSOLETE WHG 9100.20
1986 – 1988 Versa Versa 185A, 265A, 335A, 405A OBSOLETE WHG 9100.55
1986 – 1987 Spa-Pak Spa-Pak  53B OBSOLETE WHG 9100.152
1986 – 1986 Versa Western   155 OBSOLETE WHG none
1985 – 1993 Raytherm R33 GBI  OBSOLETE WHG 9100.10
1985 – 1993 Raytherm 33 GBI OBSOLETE WHG 9100.10
1984 – 2012 Raytherm 133A OBSOLETE H, W 9300.11
1984 – current Raytherm 2100, 2500, 3001, 3500, 4001              Manufactured in Canada, 2001 – 2007 CURRENT P 9100.60
1984 – current Raytherm 2100, 2500, 3001, 3500, 4001              Manufactured in Canada, 2001 – 2007 CURRENT H, W 9300.65
1984 – 1989 Raytherm 2100, 2500, 3001, 3500, 4001 OBSOLETE N 9300.65
1984 – 1988 Raytherm 183A, 263A, 333A, 403A OBSOLETE H, W 9300.201
1984 – 1987 Gemini Gemini, Spa-Pak  153A OBSOLETE WHG 9100.301
1984 – 1986  Versa 183A, 263A, 333A, 403A OBSOLETE WHG 9100.501
1984 – 1986  Versa 185, 265, 335, 405 OBSOLETE WHG none
1984 – 1985 Spa-Pak Spa-Pak  53A OBSOLETE WHG 9100.151
1983 – 2018 Electric Spa-Pak ELS 552-2, ELS 1102-2, ELC1102-2   Manufactured in Canada 2001-2007. OBSOLETE WHG 9100.151
1983 – 1984 Raytherm 133 OBSOLETE T, THWS, WT 9300.10
1982 – current Raytherm 926/962, 1083/1125, 1178/1223, 1287/1336, 1414/1468, 1571/1631, 1758/1826 CURRENT P 9100.65
1982 – current Raytherm 926/962, 1083/1125, 1178/1223, 1287/1336, 1414/1468, 1571/1631, 1758/1826 CURRENT H, W 9300.50
1982 – current Raytherm 514, 624, 724, 824 CURRENT H, W 9300.35
1982 – current Raytherm 514, 624, 724, 824 CURRENT P 9100.60
1982 – 2001 Raytherm 514, 624, 724, 824 OBSOLETE N, R 9300.35
1982 – 2001 Raytherm 926/962, 1083/1125 OBSOLETE R 9300.50
1982 – 2001 Raytherm 926/962, 1083/1125, 1178/1223, 1287/1336, 1414/1468, 1571/1631, 1758/1826 OBSOLETE N 9300.50
1982 – 1990 Raytherm 334, 404 OBSOLETE H, W, N, R 9300.35
1982 – 1986 Raytherm 514, 624, 724, 824 OBSOLETE T 9300.35
1982 – 1986 Raytherm 334, 404 OBSOLETE P 9100.60
1982 – 1984 Raytherm 183, 263, 333, 403 OBSOLETE T, THWS, WT 9300.20
1982 – 1984 Gemini Gemini, Spa-Pak   53 OBSOLETE WHG 9100.15
1982 – 1984 Gemini Gemini, Spa-Pak   153 OBSOLETE WHG 9100.30
1981 – 1982 Raytherm 510, 625, 725, 825 OBSOLETE T, TIP, TIPR, THWS, WT 9300.25
1981 – 1982 Raytherm 330, 400, 510, 625, 725, 825 OBSOLETE TIP, TIPR, THWS, WT 9300.25
1981 – 1982 Raytherm 199, 260 OBSOLETE THWS, WT 9300.30
1979 – 1983 Electric ELS 551-2, ELS 1101-2, ELC 1101-2 OBSOLETE WHG none
1979 – 1983 Electric ELS 550-1, ELS 550-2, ELS 551-1, ELS 1100-2 OBSOLETE WHG none
1978 – 1980 Powertherm II 20, 30, 40, 50, 60, 75, 100, 125, 150, 175 (sizes are in horsepower) OBSOLETE T none
1977 – 1980 Electric 150, 250, 350, 500, 750, 1000 (tank sizes in gallons) OBSOLETE WT none
1976 Electric 12, 15, 18, 24, 30, 36, 45, 60 (sizes are in kilowatts) OBSOLETE WHG none
1976 – 1981 Solar Solar Panels OBSOLETE   none
7/1980 – 1983 Raytherm 910, 1193, 1413 OBSOLETE T, THWS, WT, TIP, TIPR 9300.45
1976 – 7/1980 Raytherm 910, 1193, 1413 OBSOLETE T, THWS, WT, TIP, TIPR 9300.40
1975 – 1983 Raytherm 136 OBSOLETE T, THWS, WT 9300.15
1975 – 1981 Raytherm 202, 266, 332, 402, 516, 602 OBSOLETE T, WT, THWS, TIP, TIPR 9300.30
1974 – 1982 Spa-Pak Spa-Pak, Californian 151 OBSOLETE WHG 9100.25
1974 – 1981 Gemini Gemini  181, 261, 331, 401 OBSOLETE WHG 9100.45
1972 – 1978 Powertherm I 20, 30, 40, 50, 75, 100, 125, 150, 175  (sizes are in horsepower) OBSOLETE T none
7/1980 – 1983 Raytherm 945, 1020/1060, 1239, 1303/1353, 1467, 1570/1630 OBSOLETE T, THWS, WT, TIP, TIPR 9300.45
1972 – 7/1980 Raytherm 945, 1020/1060, 1239, 1303/1353, 1467, 1570/1630 OBSOLETE T, THWS, WT, TIP, TIPR 9300.40
7/1980 – 1981 Raytherm 685, 750, 848 OBSOLETE T, THWS, WT, TIP, TIPR 9300.45
1972 – 7/1980 Raytherm 685, 750, 848 OBSOLETE T, THWS, WT, TIP, TIPR 9300.40
1972 – 1975 Raytherm 489, 587                OBSOLETE T, THWS, WT, TIP, TIPR 9300.40
1970 – 1974 Californian Californian II:  150, 180, 255, 345 OBSOLETE WHG none
1970 – 1975 Raytherm 134, 168, 200, 233, 250, 283, 315, 383 OBSOLETE WHG, T none
1968 – 1984 Raytherm 1813, 2001, 2406, 3000, 4000 OBSOLETE T, WT, THWS, TIP 9300.60
1968 – 1983 Raytherm 3291 OBSOLETE T, WT, THWS, TIP 9300.60
1968 – 1980 Raytherm 2188, 2688, 3656 OBSOLETE T, WT, THWS, TIP 9300.55
1968 – 1969 Raytherm 1688 OBSOLETE T, WT, THWS, TIP 9300.55
1969 – 1972 Raytherm 489, 587, 685, 750, 848, 945, 1060, 1239, 1353, 1467, 1630 OBSOLETE WG, T, THWS, WT 9300.40
1965 – 1970 Raytherm 100, 117, 133, 167, 188, 220, 267, 361 OBSOLETE WHG, T, TP, WT, THWS, TIP, TIPR none
1964 – 1969 Raytherm Coppertherm 2000, 2400, 2826 OBSOLETE WG, T none
1964 – 1969 Raytherm 471, 565, 659, 722, 816, 910, 1020, 1193, 1303, 1413, 1500/1570 OBSOLETE WHG, T none
1963 – 1965 Raytherm 81, 95, 122, 162, 230, 325 OBSOLETE T, TP, WHTM none
1961 – 1964 Raytherm 401, 601, 800, 1000, 1200, 1600, 2000, 4000. OBSOLETE T, TP none
pre-1964 Raytherm 75, 110, 160, 225 OBSOLETE T, TP none
1955 – 1964 Raytherm 80, 120, 160, 225, 310, 400, 600 OBSOLETE T, TP, WHT, HWTG none
1955 – 1964 Raytherm 80, 120, 160, 225, 310 OBSOLETE WHG, WG none

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