Skip to accessibility statement
Free shipping on orders over $99
●
Your Zip:
43230
ORDER STATUS
Your Zip:
43230
HELP
MENU
CONTACT & SUPPORT
Live Chat Offline:
Email Us
SIGN IN
0
CART
×
SIGN IN
Shop by Category
Plumbing
Heating
HVAC
Electrical
PEX
Fittings
Valves
Tools
Resources
Our Team
Account
Order History
Returns
Customer Support
Give Us Feedback
Tools
Reorder
Quick Order
Saved Carts
Lists
Resources
PEX Plumbing
PEX Tools
Radiant Heat
Boiler Room
Plumbing Supplies
Air Conditioning
Video Library
Project Calculators
Find Parts For Your Unit
Filter menu expanded
Filters
Hide Filters
299 items
Reset
SORT
Top Sellers
Default
Price ▲
Price ▼
Product Availability
–
Show In Stock Only</strong> Filter (137)
Show
In Stock Only
(137)
Product Type
–
Actuator Filter (1)
Actuator (1)
Control Module Filter (4)
Control Module (4)
Fan Control Filter (9)
Fan Control (9)
Float Switch Filter (1)
Float Switch (1)
HVAC Part Filter (185)
HVAC Part (185)
Limit Control Filter (22)
Limit Control (22)
Limit Switch Filter (18)
Limit Switch (18)
Pressure Cutout Filter (2)
Pressure Cutout (2)
Pressure Switch Filter (40)
Pressure Switch (40)
Relay Filter (14)
Relay (14)
See More
Review Score
–
5 Filter (22)
(22)
4 Filter (3)
(3)
Price Range
–
$15 to $20 Filter (8)
$15 to $20 (8)
$20 to $25 Filter (9)
$20 to $25 (9)
$25 to $30 Filter (18)
$25 to $30 (18)
$30 to $35 Filter (8)
$30 to $35 (8)
$35 to $40 Filter (6)
$35 to $40 (6)
$40 to $45 Filter (10)
$40 to $45 (10)
$45 to $50 Filter (5)
$45 to $50 (5)
$50 to $60 Filter (15)
$50 to $60 (15)
$60 to $70 Filter (10)
$60 to $70 (10)
$70 to $80 Filter (13)
$70 to $80 (13)
See More
Home
HVAC Supplies
HVAC Replacement Parts
Reznor Parts
Reznor Relay, Switch, Limit Controls
Reznor Relay, Switch, Limit Controls
299 items
FILTER
Grid
List
Sort: Top Sellers
107026 Compare Checkbox
Compare
Static Plate Assembly 5654, 107026
SKU:
107026
Reznor
SKU:
107026
Brand:
Reznor
–
+
$20.34
each
ADD TO CART
Add to List
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Add to List
107197 Compare Checkbox
Compare
30V Pump for Little Giant CP2-230, 107197
SKU:
107197
Reznor
SKU:
107197
Brand:
Reznor
–
+
$488.44
each
ADD TO CART
Add to List
In Stock
Get 1 by
Fri, Aug 21
In Stock
Get 1 by
Fri, Aug 21
Add to List
101901 Compare Checkbox
Compare
SPST Switch, 101901
SKU:
101901
Reznor
SKU:
101901
Brand:
Reznor
–
+
$53.50
each
ADD TO CART
Add to List
In Stock
Get 3 by
Fri, Aug 21
In Stock
Get 3 by
Fri, Aug 21
Add to List
201773 Compare Checkbox
Compare
Fuse Bussman Fnm8, 201773
SKU:
201773
Reznor
SKU:
201773
Brand:
Reznor
–
+
$33.36
each
ADD TO CART
Add to List
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Add to List
40059 Compare Checkbox
Compare
Wire 18Ga Orange 105 Deg, 40059
SKU:
40059
Reznor
SKU:
40059
Brand:
Reznor
–
+
$18.14
each
ADD TO CART
Add to List
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Add to List
155011 Compare Checkbox
Compare
Cp37 Disc Sw Hu364Nrb, 155011
SKU:
155011
Reznor
SKU:
155011
Brand:
Reznor
–
+
$5,287.98
each
ADD TO CART
Add to List
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Add to List
193808 Compare Checkbox
Compare
High Air Pressure Switch Kit, 193808
SKU:
193808
Reznor
SKU:
193808
Brand:
Reznor
–
+
$193.15
each
ADD TO CART
Add to List
In Stock
Get 4 by
Fri, Aug 21
In Stock
Get 4 by
Fri, Aug 21
Add to List
201635 Compare Checkbox
Compare
Heat Exchanger for UDAP/S175, 201635
SKU:
201635
Reznor
SKU:
201635
Brand:
Reznor
–
+
$1,218.01
each
ADD TO CART
Add to List
In Stock
Get 13 by
Thu, Aug 20 - Mon, Aug 24
In Stock
Get 13 by
Thu, Aug 20 - Mon, Aug 24
Add to List
107010 Compare Checkbox
Compare
Small Console Box Rc, 107010
SKU:
107010
Reznor
SKU:
107010
Brand:
Reznor
–
+
$255.48
each
ADD TO CART
Add to List
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Add to List
272740 Compare Checkbox
Compare
Limit Control, 200 F, Yd, 272740
SKU:
272740
Reznor
SKU:
272740
Brand:
Reznor
–
+
$60.04
each
ADD TO CART
Add to List
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Add to List
44310 Compare Checkbox
Compare
Heat Exchanger (Aluminum), 44310
SKU:
44310
Reznor
SKU:
44310
Brand:
Reznor
–
+
$4,740.64
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Sep 18 - Tue, Oct 20
Backorder
Get it by
Fri, Sep 18 - Tue, Oct 20
Add to List
235954 Compare Checkbox
Compare
Pressure Switch 2.60" W.C. Green, 235954
SKU:
235954
Reznor
SKU:
235954
Brand:
Reznor
–
+
$75.06
each
ADD TO CART
Add to List
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Add to List
207169 Compare Checkbox
Compare
Press Sw Is20230-5264, 207169
SKU:
207169
Reznor
SKU:
207169
Brand:
Reznor
–
+
$46.06
each
ADD TO CART
Add to List
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Add to List
130821 Compare Checkbox
Compare
Relay 134-20402-101 Replaced By 263528, 130821
SKU:
130821
Reznor
SKU:
130821
Brand:
Reznor
–
+
$78.78
each
ADD TO CART
Add to List
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Add to List
209187 Compare Checkbox
Compare
Venter Post Purge Control Replacement Kit, 209187
SKU:
209187
Reznor
SKU:
209187
Brand:
Reznor
–
+
$296.00
each
ADD TO CART
Add to List
In Stock
Get 3 by
Fri, Aug 21
In Stock
Get 3 by
Fri, Aug 21
Add to List
158203 Compare Checkbox
Compare
Main Control Switch Dpst Ra(D)500, 158203
SKU:
158203
Reznor
SKU:
158203
Brand:
Reznor
–
+
$112.98
each
ADD TO CART
Add to List
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Add to List
273360 Compare Checkbox
Compare
Pressure Switch, 1.5" Wc, Beckett, 273360
SKU:
273360
Reznor
SKU:
273360
Brand:
Reznor
–
+
$82.34
each
ADD TO CART
Add to List
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Add to List
1024296 Compare Checkbox
Compare
Replacement 80A Disconnect Switch Dis10 EGHBoue, 1024296
SKU:
1024296
Reznor
SKU:
1024296
Brand:
Reznor
–
+
$324.28
each
ADD TO CART
Add to List
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Add to List
39732 Compare Checkbox
Compare
Cn2 Switch Dpst 2-Position 2X4, 39732
SKU:
39732
Reznor
SKU:
39732
Brand:
Reznor
–
+
$91.84
each
ADD TO CART
Add to List
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Add to List
272748 Compare Checkbox
Compare
Limit Control,170°F, Elec Heat, 272748
SKU:
272748
Reznor
SKU:
272748
Brand:
Reznor
–
+
$15.21
each
ADD TO CART
Add to List
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Add to List
260181 Compare Checkbox
Compare
Overload Relay 4 Amp, 260181
SKU:
260181
Reznor
SKU:
260181
Brand:
Reznor
–
+
$684.38
each
ADD TO CART
Add to List
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Add to List
155010 Compare Checkbox
Compare
Cp36 Disc Sw Hu363Nrb, 155010
SKU:
155010
Reznor
SKU:
155010
Brand:
Reznor
–
+
$4,149.23
each
ADD TO CART
Add to List
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Add to List
9704-REZNOR Compare Checkbox
Compare
Limit Switch Shield Assembly, 9704-REZNOR
SKU:
9704-REZNOR
Reznor
SKU:
9704-REZNOR
Brand:
Reznor
–
+
$52.42
each
ADD TO CART
Add to List
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Add to List
197156 Compare Checkbox
Compare
Cl32 Multiple Heater Slave Relay UDAP/S, 197156
SKU:
197156
Reznor
SKU:
197156
Brand:
Reznor
–
+
$99.69
each
ADD TO CART
Add to List
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Add to List
44313 Compare Checkbox
Compare
Aluminized Heat Exchanger for 250/300 Units, 44313
SKU:
44313
Reznor
SKU:
44313
Brand:
Reznor
–
+
$4,195.08
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Sep 18 - Tue, Oct 20
Backorder
Get it by
Fri, Sep 18 - Tue, Oct 20
Add to List
205907 Compare Checkbox
Compare
80a Panel Mount Disc Switch, 205907
SKU:
205907
Reznor
SKU:
205907
Brand:
Reznor
–
+
$539.79
each
ADD TO CART
Add to List
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Add to List
1021870 Compare Checkbox
Compare
Owd-1016495 Switch,Disc,3-Pole,40A,600V, 1021870
SKU:
1021870
Reznor
SKU:
1021870
Brand:
Reznor
–
+
$702.59
each
ADD TO CART
Add to List
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Add to List
211415 Compare Checkbox
Compare
Relay Socket, 211415
SKU:
211415
Reznor
SKU:
211415
Brand:
Reznor
–
+
$43.70
each
ADD TO CART
Add to List
In Stock
Get 4 by
Thu, Aug 20
Total Available: 5
In Stock
Get 4 by
Thu, Aug 20
Total Available: 5
Add to List
90974 Compare Checkbox
Compare
Cp20 Dsct Switch H362Nrb 600V/60A, 90974
SKU:
90974
Reznor
SKU:
90974
Brand:
Reznor
–
+
$1,163.06
each
ADD TO CART
Add to List
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Add to List
11606 Compare Checkbox
Compare
Time Delay Relay, 11606
SKU:
11606
Reznor
SKU:
11606
Brand:
Reznor
–
+
$177.44
each
ADD TO CART
Add to List
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Add to List
174812 Compare Checkbox
Compare
End Switch 4703-1100, 174812
SKU:
174812
Reznor
SKU:
174812
Brand:
Reznor
–
+
$86.96
each
ADD TO CART
Add to List
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Add to List
209167R Compare Checkbox
Compare
Relay Mounting Bracket, 209167R
SKU:
209167R
Reznor
SKU:
209167R
Brand:
Reznor
–
+
$175.48
each
ADD TO CART
Add to List
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Add to List
102385 Compare Checkbox
Compare
Relay 5 Prong 134-20203-301, 102385
SKU:
102385
Reznor
SKU:
102385
Brand:
Reznor
–
+
$77.17
each
ADD TO CART
Add to List
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Add to List
211413 Compare Checkbox
Compare
Relay Sckt Ly2-Ac200/220, 211413
SKU:
211413
Reznor
SKU:
211413
Brand:
Reznor
–
+
$55.74
each
ADD TO CART
Add to List
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Add to List
207176 Compare Checkbox
Compare
Press Switch, 207176
SKU:
207176
Reznor
SKU:
207176
Brand:
Reznor
–
+
$111.90
each
ADD TO CART
Add to List
In Stock
Get 1 by
Fri, Aug 21
In Stock
Get 1 by
Fri, Aug 21
Add to List
193809 Compare Checkbox
Compare
0.65" W.C. Pressure Switch Kit, 193809
SKU:
193809
Reznor
SKU:
193809
Brand:
Reznor
–
+
$92.86
each
ADD TO CART
Add to List
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Add to List
149176 Compare Checkbox
Compare
Pressure Switch, Low 803112703 Rlgp-A, 149176
SKU:
149176
Reznor
SKU:
149176
Brand:
Reznor
–
+
$552.40
each
ADD TO CART
Add to List
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Add to List
234438 Compare Checkbox
Compare
Ir24 24V Relay Kit Without Trn, 234438
SKU:
234438
Reznor
SKU:
234438
Brand:
Reznor
–
+
$242.87
each
ADD TO CART
Add to List
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Add to List
142693 Compare Checkbox
Compare
Limit Assembly Esc250-400, 142693
SKU:
142693
Reznor
SKU:
142693
Brand:
Reznor
–
+
$211.66
each
ADD TO CART
Add to List
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Add to List
201640 Compare Checkbox
Compare
Heat Exchanger (Aluminum), 201640
SKU:
201640
Reznor
SKU:
201640
Brand:
Reznor
–
+
$2,969.94
each
ADD TO CART
Add to List
In Stock
Get 5 by
Thu, Aug 20 - Mon, Aug 24
In Stock
Get 5 by
Thu, Aug 20 - Mon, Aug 24
Add to List
234443 Compare Checkbox
Compare
Ir24 24V Relay Kit Without Transfer, 234443
SKU:
234443
Reznor
SKU:
234443
Brand:
Reznor
–
+
$242.87
each
ADD TO CART
Add to List
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Add to List
234280 Compare Checkbox
Compare
Fuse, J Class, 60A, EGHB, Emc Fus04, 234280
SKU:
234280
Reznor
SKU:
234280
Brand:
Reznor
–
+
$221.23
each
ADD TO CART
Add to List
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Add to List
204325 Compare Checkbox
Compare
Press Switch, 204325
SKU:
204325
Reznor
SKU:
204325
Brand:
Reznor
–
+
$72.97
each
ADD TO CART
Add to List
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Add to List
234305 Compare Checkbox
Compare
750W Hi-Limit EGHB Prt11, 234305
SKU:
234305
Reznor
SKU:
234305
Brand:
Reznor
–
+
$108.10
each
ADD TO CART
Add to List
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Add to List
234432 Compare Checkbox
Compare
Ir2B 24V Relay Kit Oas-Rt W/Tranx, 234432
SKU:
234432
Reznor
SKU:
234432
Brand:
Reznor
–
+
$253.96
each
ADD TO CART
Add to List
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Add to List
193811 Compare Checkbox
Compare
Pressure Switch Kit, 193811
SKU:
193811
Reznor
SKU:
193811
Brand:
Reznor
–
+
$167.15
each
ADD TO CART
Add to List
In Stock
Get 3 by
Fri, Aug 21
In Stock
Get 3 by
Fri, Aug 21
Add to List
45538-REZNOR Compare Checkbox
Compare
Limit Control 60T-21-230D, 45538-REZNOR
SKU:
45538-REZNOR
Reznor
SKU:
45538-REZNOR
Brand:
Reznor
–
+
$25.50
each
ADD TO CART
Add to List
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Add to List
1020884R Compare Checkbox
Compare
Replacement Press Sensor, Setra #2651010Wdabt1F, 1020884R
SKU:
1020884R
Reznor
SKU:
1020884R
Brand:
Reznor
–
+
$899.75
each
ADD TO CART
Add to List
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Backorder
Get it by
Thu, Sep 17 - Thu, Oct 15
Add to List
1
...
3
4
5
...
7
Refresh
×
Video