Model Number History

Construction Dates Product Line Model Numbers Status Basic Types IPL#
2015 – current XPakFT 88AR, 10-8AR, 198AR, 278AR, 398A CURRENT H 9300.93
2015 – current XTherm 2505, 3005, 3505, 4005 CURRENT H, WH, P 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 9300.90
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 – current Hi Delta 2002B, 2072B, 2342B CURRENT P 9300.762
2012 – current 84 Professional R259, R409 CURRENT 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 CR 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 – current XPak XPak 85,  XPak 120 CURRENT 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 – current Hi Delta 302B, 402B, 502B, 652B, 752B, 902B CURRENT 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 – current Hi Delta 992B, 1262B, 1532B, 1802B CURRENT P 9300.762
2006 – current Hi Delta 992B, 1262B, 1532B, 1802B, 2002B, 2072B, 2342B CURRENT 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 RP2100 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 *
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 – current Raytherm 181A, 261A, 331A, 401A CURRENT 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 OBSOLETE WHG BR:  9100.24.1 
CI:  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 RP2100 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 *
1995 – 2000 Booster GB35 OBSOLETE B *
1995 – 2000 Raytherm 203, 263, 333, 403 OBSOLETE H, W *
1993 – 1999 RP2100 R185, R265, R335, R405 OBSOLETE PR, CR 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 *
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 H, W, P 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 *
1984 – 1985 Spa-Pak Spa-Pak  53A OBSOLETE WHG 9100.151
1983 – current Electric Spa-Pak ELS 552-2, ELS 1102-2, ELC1102-2   Manufactured in Canada 2001-2007. CURRENT WHG 9100.90
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 H, W, P 9300.50
1982 – current Raytherm 514, 624, 724, 824 CURRENT H, W, P 9300.35
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 *
1979 – 1983 Electric ELS 550-1, ELS 550-2, ELS 551-1, ELS 1100-2 OBSOLETE WHG *
1978 – 1980 Powertherm II 20, 30, 40, 50, 60, 75, 100, 125, 150, 175 (sizes are in horsepower) OBSOLETE T *
1977 – 1980 Electric 150, 250, 350, 500, 750, 1000 (tank sizes in gallons) OBSOLETE WT *
1976 Electric 12, 15, 18, 24, 30, 36, 45, 60 (sizes are in kilowatts) OBSOLETE WHG *
1976 – 1981 Solar Solar Panels OBSOLETE   *
1976 – 1983 Raytherm 910, 1193, 1413  Use IPL 9300.40 if built before 7-1980.  Use IPL 9300.45 if built after 7-1980. OBSOLETE T, THWS, WT, TIP, TIPR 9300.40
9300.45
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 *
1972 – 1983 Raytherm 945, 1020/1060, 1239, 1303/1353, 1467, 1570/1630   Use IPL 9300.40 if built before 7-1980.  Use IPL 9300.45 if built after 7-1980. OBSOLETE T, THWS, WT, TIP, TIPR 9300.40 
9300.45
1972 – 1981 Raytherm 685, 750, 848    Use IPL 9300.40 if built before 7-1980.  Use IPL 9300.45 if built after 7-1980. OBSOLETE T, THWS, WT, TIP, TIPR 9300.40 
9300.45
1972 – 1975 Raytherm 489, 587                OBSOLETE T, THWS, WT, TIP, TIPR 9300.40
1970 – 1974 Californian Californian II:  150, 180, 255, 345 OBSOLETE WHG *
1970 – 1975 Raytherm 134, 168, 200, 233, 250, 283, 315, 383 OBSOLETE WHG, T *
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 *
1964 – 1969 Raytherm Coppertherm 2000, 2400, 2826 OBSOLETE WG, T *
1964 – 1969 Raytherm 471, 565, 659, 722, 816, 910, 1020, 1193, 1303, 1413, 1500/1570 OBSOLETE WHG, T *
1963 – 1965 Raytherm 81, 95, 122, 162, 230, 325 OBSOLETE T, TP, WHTM *
1961 – 1964 Raytherm 401, 601, 800, 1000, 1200, 1600, 2000, 4000. OBSOLETE T, TP *
pre-1964 Raytherm 75, 110, 160, 225 OBSOLETE T, TP *
1955 – 1964 Raytherm 80, 120, 160, 225, 310, 400, 600 OBSOLETE T, TP, WHT, HWTG *
1955 – 1964 Raytherm 80, 120, 160, 225, 310 OBSOLETE WHG, WG *