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Best selling products: Best
DDC HVAC/R Controllers
Bestselling
Top Rated
1
Rank 1
Honeywell M847D- Zone Valve Actuator Damper Operator
(46)
$109.99 New
$109.99 New
$50.00 Used
$50.00 Used
2
Rank 2
342796-75103 Carrier Evap Coil For Air Handler OEM 342796-75103
$735.00 New
$735.00 New
---- Used
No used products available
3
Rank 3
Honeywell RM7840L1075 Burner Control
$525.99 New
$525.99 New
$299.98 Used
$299.98 Used
4
Rank 4
5-2-1 CSRU2 Compressor Saver for 3/12 to 5 Ton Units Black
$33.49 New
$33.49 New
---- Used
No used products available
5
Rank 5
Honeywell R8184G4009 International Oil Burner Control
(98)
$90.99 New
$90.99 New
$49.99 Used
$49.99 Used
6
Rank 6
Trane Reliatel Dual Circuit Board - MOD03196
$89.00 New
$89.00 New
$85.00 Used
$85.00 Used
7
Rank 7
Honeywell S8610U3009 Universal Intermittent Pilot Ignition Module
(50)
$68.49 New
$68.49 New
$34.99 Used
$34.99 Used
8
Rank 8
Ranco ETC111000000 Electric Temperature Control
(59)
$87.35 New
$87.35 New
$49.00 Used
$49.00 Used
9
Rank 9
Honeywell RA890F1288 Protectorelay Burner Control
(2)
$827.31 New
$827.31 New
$5.50 Used
$5.50 Used
10
Rank 10
Honeywell L404F1102 Pressuretrol Controller
(2)
$118.68 New
$118.68 New
$100.00 Used
$100.00 Used
11
Rank 11
Honeywell HZ311 TrueZONE Control Panel
(23)
$120.50 New
$120.50 New
$60.00 Used
$60.00 Used
12
Rank 12
Beckett 12 Volt DC Ignitor For ADC Oil Burners (5270001U)
(2)
$149.00 New
$149.00 New
---- Used
No used products available
13
Rank 13
Robertshaw 8145-20M Defrost Timer Control
(3)
$96.50 New
$96.50 New
$62.99 Used
$62.99 Used
14
Rank 14
Johnson Controls A421ABC-02C A421 Series, Electronic Temperature Control, Temperature Range: -40 to 212 degrees F, Single Pole, Two Position
(5)
$90.00 New
$90.00 New
---- Used
No used products available
15
Rank 15
Carrier Bryant Payne Circuit Control Board (HK38EA012)
(5)
$980.94 New
$980.94 New
$36.26 Used
$36.26 Used
16
Rank 16
Honeywell RM7895A1014 On-Off Burner Control
(14)
$395.00 New
$395.00 New
$149.99 Used
$149.99 Used
17
Rank 17
Carrier HK32EA001 Defrost Control Board
(21)
$34.64 New
$34.64 New
$12.99 Used
$12.99 Used
18
Rank 18
PartsConnect PC140A Magnetic Contactor 1 Pole 24 V Coil
(38)
$13.64 New
$13.64 New
---- Used
No used products available
19
Rank 19
Paragon Ranco 814500 Defrost Control Timer Terminator
(9)
$98.99 New
$98.99 New
$49.95 Used
$49.95 Used
20
Rank 20
Rectorseal Safe-T-Switch SS2 - White, Pack of 24 (97637)
(38)
$23.84 New
$23.84 New
---- Used
No used products available
21
Rank 21
White-Rodgers 32M8801 Furnace Control Board
(15)
$135.00 New
$135.00 New
---- Used
No used products available
22
Rank 22
Robertshaw 5300-401 Industrial Gas Oven Thermostat
(3)
$56.02 New
$56.02 New
---- Used
No used products available
23
Rank 23
ICM Controls ICM450 3 Phase Line Voltage Monitor
(3)
$124.99 New
$124.99 New
$42.50 Used
$42.50 Used
24
Rank 24
Honeywell RA89A1074, 24 V Switching Relay
(9)
$31.49 New
$31.49 New
$30.00 Used
$30.00 Used
25
Rank 25
Emerson Dixell XC10CX-4P01G Refrigeration Control v7.3d
$220.99 New
$220.99 New
$90.00 Used
$90.00 Used
26
Rank 26
White-Rodgers 50A55-843 Furnace Control Board
(32)
$74.99 New
$74.99 New
$19.99 Used
$19.99 Used
27
Rank 27
CPS CSRU1 5-2-1 Compressor Saver Hard Start for 1-2-3 Tons 208-240V B16-902
(3)
$29.95 New
$29.95 New
---- Used
No used products available
28
Rank 28
Honeywell S7800A1142 Keyboard Display Module
(7)
$525.00 New
$525.00 New
$225.00 Used
$225.00 Used
29
Rank 29
Ranco O Series Single Low Pressure Control
(4)
$89.00 New
$89.00 New
$29.00 Used
$29.00 Used
30
Rank 30
Emerson CPC 810-3063 88ao & 810-3066 168 Multiflex Boards
(1)
$450.00 New
$450.00 New
$250.00 Used
$250.00 Used
31
Rank 31
Paragon 8141-00 Defrost Control Commercial Refrigeration Timer
(8)
$110.00 New
$110.00 New
$95.99 Used
$95.99 Used
32
Rank 32
Dwyer Instruments Adps-06-2-n Pressure Switch Differential 2to 10in WC
$29.99 New
$29.99 New
---- Used
No used products available
33
Rank 33
White-Rodgers 50T35-743 Furnace Control Board
(7)
$44.00 New
$44.00 New
$35.00 Used
$35.00 Used
34
Rank 34
Beckett 51771U Electronic Oil Igniter for A and AF
(82)
$58.99 New
$58.99 New
$51.99 Used
$51.99 Used
35
Rank 35
Goodman B1809913S Furnace Control Board
(31)
$55.00 New
$55.00 New
$49.99 Used
$49.99 Used
36
Rank 36
Honeywell W7220A1000 24V Economizer Control
(4)
$175.00 New
$175.00 New
$17.99 Used
$17.99 Used
37
Rank 37
ICM Furnace Control Board (ICM281)
(29)
$22.16 New
$22.16 New
---- Used
No used products available
38
Rank 38
White Rodgers 50A50-474 Furnace Ignition Control Board
(9)
$157.50 New
$157.50 New
---- Used
No used products available
39
Rank 39
Beckett 7556A0000U GeniSys 7556A Oil Burner Control
(1)
$199.99 New
$199.99 New
---- Used
No used products available
40
Rank 40
Carrier HB32GQ230 208-230v 1/12hp 800rpm MTR
$195.30 New
$195.30 New
---- Used
No used products available
41
Rank 41
Honeywell ST9120U1011 Universal Electronic Fan Timer
(60)
$114.88 New
$114.88 New
$25.00 Used
$25.00 Used
42
Rank 42
Robertshaw 4350-028 Commercial Gas Thermostat
(5)
$178.70 New
$178.70 New
---- Used
No used products available
43
Rank 43
Grainger Approved 6AZU3 Enclosed Fan Relay Spno/spnc 24v
$13.85 New
$13.85 New
---- Used
No used products available
44
Rank 44
Ranco ETC-111000 Digital Electronic Temperature Controller - White
(13)
$113.99 New
$113.99 New
$51.15 Used
$51.15 Used
45
Rank 45
Allanson 1092-S Transformer
(3)
$86.95 New
$86.95 New
$45.00 Used
$45.00 Used
46
Rank 46
SUPCO SHP600475 High Pressure Switch Opens 600 PSI
$11.97 New
$11.97 New
---- Used
No used products available
47
Rank 47
Carrier 325878-751 Furnace Control Board
(19)
$229.99 New
$229.99 New
$190.32 Used
$190.32 Used
48
Rank 48
White-Rodgers 50A655165 Furnace Control Board
(15)
$113.16 New
$113.16 New
$94.99 Used
$94.99 Used
49
Rank 49
Robertshaw 780-845 24 V Ignition Module, Intermittent Pilot
(14)
$129.95 New
$129.95 New
$62.34 Used
$62.34 Used
50
Rank 50
Honeywell L8148E1265 Aquastat with Damp Plug
(21)
$319.99 New
$319.99 New
$19.99 Used
$19.99 Used
51
Rank 51
Robertshaw 1820-009 Replacement Pilot Uni-Kit
(14)
$22.99 New
$22.99 New
---- Used
No used products available
52
Rank 52
Robertshaw Low Voltage Ignitor - 780502
(16)
$155.95 New
$155.95 New
---- Used
No used products available
53
Rank 53
Beckett GeniSys 7505 120V Oil Burner Control (7505A0000U)
(13)
$79.90 New
$79.90 New
$55.00 Used
$55.00 Used
54
Rank 54
ICM 1503 Intermittent Ignition Oil Primary Control for Honeywell R818G4009
(49)
$88.00 New
$88.00 New
$79.99 Used
$79.99 Used
55
Rank 55
Robertshaw 1830-620 3-Wire Pilot Burner Replacement
(7)
$34.99 New
$34.99 New
$24.99 Used
$24.99 Used
56
Rank 56
Ranco 24/240 V Dual Pressure Control - O124834
(1)
$89.95 New
$89.95 New
---- Used
No used products available
57
Rank 57
Heatcraft 28910104 Control Board for Freezer
$398.14 New
$398.14 New
---- Used
No used products available
58
Rank 58
Johnson Controls M4-CVM03050-0 24VAC Vav Controller
(1)
$450.00 New
$450.00 New
$150.00 Used
$150.00 Used
59
Rank 59
ICM Furnace Control Module (ICM288)
(20)
$120.00 New
$120.00 New
$39.99 Used
$39.99 Used
60
Rank 60
OEM Carrier Bryant Furnace Control Board HK61EA006 Hk61ea0060210
(10)
$59.95 New
$59.95 New
$25.00 Used
$25.00 Used
61
Rank 61
Trane MOD02046 Module : BCI-R, Communication Interface
$210.00 New
$210.00 New
---- Used
No used products available
62
Rank 62
Beckett 2454 Coupling for AF AFG and NX Oil Burners
(32)
$9.80 New
$9.80 New
---- Used
No used products available
63
Rank 63
OEM Trane American Standard Furnace Control Circuit Board Cnt4984 Cnt04984
$399.99 New
$399.99 New
---- Used
No used products available
64
Rank 64
Honeywell PUB6438SR Programmable Unitary Controller
(1)
$340.65 New
$340.65 New
$180.50 Used
$180.50 Used
65
Rank 65
McQuay Daikin Microtech III Control Board OEM 668105601
$99.99 New
$99.99 New
$47.39 Used
$47.39 Used
66
Rank 66
White Rodgers 50A55-843 Universal Integrated Furnace Control
(30)
$119.99 New
$119.99 New
$45.00 Used
$45.00 Used
67
Rank 67
Honeywell R8285A1048 Fan Center Switching Relay
(8)
$33.80 New
$33.80 New
$29.95 Used
$29.95 Used
68
Rank 68
Johnson Controls P70ab-12c Micro-set Suction Pressure Control 12"hg 80psig
(1)
$61.19 New
$61.19 New
---- Used
No used products available
69
Rank 69
White-Rodgers 50E47-843 Hot Surface Ignition Module
(57)
$84.95 New
$84.95 New
$47.50 Used
$47.50 Used
70
Rank 70
LENNOX 100980-01 Furnace Ignition Control Circuit Board 1173-1 Egc1
(3)
$140.00 New
$140.00 New
$84.00 Used
$84.00 Used
71
Rank 71
Goodman F043067300S 9 Pin Connector
$28.05 New
$28.05 New
---- Used
No used products available
72
Rank 72
Lochinvar RLY2402 Ignition Module
(2)
$260.00 New
$260.00 New
$185.00 Used
$185.00 Used
73
Rank 73
Carrier 322848-751 Hk61ga003 Fan Blower Control Board Kit
$113.00 New
$113.00 New
---- Used
No used products available
74
Rank 74
White-Rodgers 50M56U-751 Ignition Control Module for Hot Surface Centers
(3)
$129.00 New
$129.00 New
---- Used
No used products available
75
Rank 75
White-Rodgers 50C51-707 Furnace Control Board
$129.73 New
$129.73 New
---- Used
No used products available
76
Rank 76
Trane Service First TRR00826 Transformer Pri-460-575v Sec-24v 75va Class2
$95.00 New
$95.00 New
---- Used
No used products available
77
Rank 77
YORK 031-01972-000 Furnace Control Circuit Board
(10)
$105.99 New
$105.99 New
$40.00 Used
$40.00 Used
78
Rank 78
White-Rodgers 50A55-3797 Furnace Control Board
(21)
$108.95 New
$108.95 New
$63.89 Used
$63.89 Used
79
Rank 79
Robertshaw Ranco ETC-112000-000 24v Electronic Temperature Control
(1)
$135.00 New
$135.00 New
$50.00 Used
$50.00 Used
80
Rank 80
Icm255 Fan Blower Control Board Delay Timer Icm255c
(2)
$24.50 New
$24.50 New
$20.00 Used
$20.00 Used
81
Rank 81
Honeywell L4064B2228 Forced Air Fan and Limit Controller
(56)
$55.00 New
$55.00 New
$35.00 Used
$35.00 Used
82
Rank 82
Honeywell W7751H2025 Excel 10 Smart VAV Controller
$149.99 New
$149.99 New
$5.50 Used
$5.50 Used
83
Rank 83
SUPCO SLP4080 Low Pressure Switch Open 40 PSIG 2fbr8
$15.00 New
$15.00 New
---- Used
No used products available
84
Rank 84
Robertshaw 5502-370M MPA-V147-UNM 5500M Series Infinite Switch 240V 15A
$30.00 New
$30.00 New
---- Used
No used products available
85
Rank 85
Goodman Amana PCBAG123 Furnace Control Circuit Board For 1068-400
(9)
$97.99 New
$97.99 New
$37.00 Used
$37.00 Used
86
Rank 86
Honeywell R7284U1004 Oil Primary Control Junction Box - Black
(21)
$73.90 New
$73.90 New
$44.99 Used
$44.99 Used
87
Rank 87
Goodman Control Board PCBFM103S Replaced Pcbfm131s OEM
(45)
$25.00 New
$25.00 New
$18.00 Used
$18.00 Used
88
Rank 88
Honeywell L8148J1009 Aquastat Relay
(14)
$189.99 New
$189.99 New
$105.00 Used
$105.00 Used
89
Rank 89
Carlin 60200frs Gas Burner Primary Control for Ez-gas Gas201 6020002fr363s
(2)
$169.00 New
$169.00 New
---- Used
No used products available
90
Rank 90
White-Rodgers 24A06G-1 2-Pole SPST 240VAC 2-Wire Thermostat Electric Heat Temperature Control System
(3)
$99.99 New
$99.99 New
---- Used
No used products available
91
Rank 91
OIL CO OC-10 Replacement for Oil Burner Controller for Honeywell
(37)
$13.39 New
$13.39 New
---- Used
No used products available
92
Rank 92
White-Rodgers 50A55-743 Control Board
(53)
$41.40 New
$41.40 New
$25.00 Used
$25.00 Used
93
Rank 93
Emerson XM678D-2C1F2B Dixell Stepper Motor Climate Temperature Controller
$75.00 New
$75.00 New
---- Used
No used products available
94
Rank 94
Siemens Electronic Damper Open Air Actuator (GDE131.1P)
(4)
$27.00 New
$27.00 New
$17.75 Used
$17.75 Used
95
Rank 95
OEM Carrier Bryant Payne Defrost Control Board HK38EA004 Heat Pump
$253.12 New
$253.12 New
$5.50 Used
$5.50 Used
96
Rank 96
Robertshaw 712-017 Pilot Ignitor Set
(19)
$184.99 New
$184.99 New
$89.99 Used
$89.99 Used
97
Rank 97
Honeywell L4006H1004 Aquastat Controller Set at 240 F 2gzn5
(1)
$129.99 New
$129.99 New
$84.99 Used
$84.99 Used
98
Rank 98
Trane BRD06611 Control Board 1/2" NPT Plastic HVAC Replacement Component
$70.00 New
$70.00 New
---- Used
No used products available
99
Rank 99
ICM Controls ICM325A Low Ambient Head Pressure Control
$121.49 New
$121.49 New
---- Used
No used products available
100
Rank 100
Resideo ST9120U1011 Universal Electronic Fan Timer
$107.44 New
$107.44 New
$49.99 Used
$49.99 Used
