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
445 items
Reset
SORT
Top Sellers
Default
Price ▲
Price ▼
Product Availability
–
Show In Stock Only</strong> Filter (264)
Show
In Stock Only
(264)
Category
–
Limit Controls (186)
Relays (60)
Switches (199)
Review Score
–
5 Filter (91)
(91)
4 Filter (3)
(3)
3 Filter (1)
(1)
2 Filter (1)
(1)
1 Filter (2)
(2)
Price Range
–
$1 to $5 Filter (1)
$1 to $5 (1)
$5 to $10 Filter (9)
$5 to $10 (9)
$10 to $15 Filter (20)
$10 to $15 (20)
$15 to $20 Filter (21)
$15 to $20 (21)
$20 to $25 Filter (28)
$20 to $25 (28)
$25 to $30 Filter (30)
$25 to $30 (30)
$30 to $35 Filter (35)
$30 to $35 (35)
$35 to $40 Filter (41)
$35 to $40 (41)
$40 to $45 Filter (32)
$40 to $45 (32)
$45 to $50 Filter (22)
$45 to $50 (22)
See More
Home
HVAC Supplies
HVAC Replacement Parts
Lennox Parts
Lennox Electrical Parts
Lennox Relay, Switch, Limit Controls
Lennox Relay, Switch, Limit Controls
Need a little help?
View our Resources
445 items
FILTER
Grid
List
Sort: Top Sellers
69W37 Compare Checkbox
Compare
L165-30f Limit Control, 69W37
SKU:
69W37
Lennox
SKU:
69W37
Brand:
Lennox
–
+
$35.69
each
ADD TO CART
Add to List
In Stock
Get 2 by
Thu, Jul 2
Total Available: 5
In Stock
Get 2 by
Thu, Jul 2
Total Available: 5
Add to List
15M42 Compare Checkbox
Compare
Rollout Switch MR 130BTU, 15M42
SKU:
15M42
Lennox
SKU:
15M42
Brand:
Lennox
–
+
$28.07
each
ADD TO CART
Add to List
In Stock
Get 2 by
Thu, Jul 2
Total Available: 33
In Stock
Get 2 by
Thu, Jul 2
Total Available: 33
Add to List
13W22 Compare Checkbox
Compare
Heat Sequencer, 13W22
SKU:
13W22
Lennox
SKU:
13W22
Brand:
Lennox
–
+
$70.49
each
ADD TO CART
Add to List
In Stock
Get 2 by
Thu, Jul 2
Total Available: 7
In Stock
Get 2 by
Thu, Jul 2
Total Available: 7
Add to List
11J14 Compare Checkbox
Compare
SPST Pressure Switch .75" WC, 11J14
SKU:
11J14
Lennox
SKU:
11J14
Brand:
Lennox
–
+
$83.97
each
ADD TO CART
Add to List
In Stock
Get 4 by
Thu, Jul 2
Total Available: 8
In Stock
Get 4 by
Thu, Jul 2
Total Available: 8
Add to List
88K90 Compare Checkbox
Compare
0.47"WC 1/4" Barb Connection SPST Pressure Switch, 88K90
SKU:
88K90
Lennox
SKU:
88K90
Brand:
Lennox
–
+
$81.67
each
ADD TO CART
Add to List
Backorder
Get it by
Thu, Jul 30 - Thu, Aug 27
Backorder
Get it by
Thu, Jul 30 - Thu, Aug 27
Add to List
R102614-01 Compare Checkbox
Compare
.40" WC Pressure Switch, R102614-01
SKU:
R102614-01
Armstrong Air
SKU:
R102614-01
Brand:
Armstrong Air
(1)
–
+
$83.35
each
ADD TO CART
Add to List
In Stock
Get 3 by
Thu, Jul 2
Total Available: 31
In Stock
Get 3 by
Thu, Jul 2
Total Available: 31
Add to List
57W37 Compare Checkbox
Compare
Auto Limit Switch 140-170F, 57W37
SKU:
57W37
Lennox
SKU:
57W37
Brand:
Lennox
–
+
$34.44
each
ADD TO CART
Add to List
In Stock
Get 2 by
Thu, Jul 2
Total Available: 13
In Stock
Get 2 by
Thu, Jul 2
Total Available: 13
Add to List
28G38 Compare Checkbox
Compare
DPDT Relay Kit (24V), 28G38
SKU:
28G38
Lennox
SKU:
28G38
Brand:
Lennox
(1)
–
+
$75.05
each
ADD TO CART
Add to List
In Stock
Get 4 by
Thu, Jul 2
Total Available: 17
In Stock
Get 4 by
Thu, Jul 2
Total Available: 17
Add to List
25J26 Compare Checkbox
Compare
Open 175F, Close 145F Limit Control, 25J26
SKU:
25J26
Lennox
SKU:
25J26
Brand:
Lennox
–
+
$23.11
each
ADD TO CART
Add to List
In Stock
Get 1 by
Thu, Jul 2
Total Available: 2
In Stock
Get 1 by
Thu, Jul 2
Total Available: 2
Add to List
83L83 Compare Checkbox
Compare
Limit Control, 83L83
SKU:
83L83
Lennox
SKU:
83L83
Brand:
Lennox
(2)
–
+
$39.94
each
ADD TO CART
Add to List
In Stock
Get 2 by
Thu, Jul 2
Total Available: 4
In Stock
Get 2 by
Thu, Jul 2
Total Available: 4
Add to List
73W35 Compare Checkbox
Compare
Pressure Switch 2 Stage, 73W35
SKU:
73W35
Lennox
SKU:
73W35
Brand:
Lennox
–
+
$71.00
each
ADD TO CART
Add to List
In Stock
Get 2 by
Thu, Jul 2
Total Available: 7
In Stock
Get 2 by
Thu, Jul 2
Total Available: 7
Add to List
56W24 Compare Checkbox
Compare
Auto Limit Switch 180-210F, 56W24
SKU:
56W24
Lennox
SKU:
56W24
Brand:
Lennox
(1)
–
+
$10.65
each
ADD TO CART
Add to List
In Stock
Get 1 by
Thu, Jul 2
Total Available: 6
In Stock
Get 1 by
Thu, Jul 2
Total Available: 6
Add to List
15W56 Compare Checkbox
Compare
SPST Pressure Switch, .43" WC, 15W56
SKU:
15W56
Lennox
SKU:
15W56
Brand:
Lennox
–
+
$40.04
each
ADD TO CART
Add to List
In Stock
Get 3 by
Thu, Jul 2
Total Available: 5
In Stock
Get 3 by
Thu, Jul 2
Total Available: 5
Add to List
44A97 Compare Checkbox
Compare
HI Pressure Switch, Manual Reset C.O.410# SPST, 44A97
SKU:
44A97
Lennox
SKU:
44A97
Brand:
Lennox
–
+
$54.53
each
ADD TO CART
Add to List
In Stock
Get 2 by
Fri, Jul 3
Total Available: 4
In Stock
Get 2 by
Fri, Jul 3
Total Available: 4
Add to List
58327 Compare Checkbox
Compare
Potential Relay, 58327
SKU:
58327
Lennox
SKU:
58327
Brand:
Lennox
–
+
$63.25
each
ADD TO CART
Add to List
In Stock
Get 1 by
Thu, Jul 2
In Stock
Get 1 by
Thu, Jul 2
Add to List
26W46 Compare Checkbox
Compare
2 Stage SPST Pressure Switch, -.65/1.15" WC, 26W46
SKU:
26W46
Lennox
SKU:
26W46
Brand:
Lennox
–
+
$65.48
each
ADD TO CART
Add to List
Backorder
Get it by
Thu, Jul 30 - Thu, Aug 27
Backorder
Get it by
Thu, Jul 30 - Thu, Aug 27
Add to List
69M18 Compare Checkbox
Compare
Hi-pressure 650 PSI Cutout Switch, 69M18
SKU:
69M18
Lennox
SKU:
69M18
Brand:
Lennox
–
+
$53.29
each
ADD TO CART
Add to List
In Stock
Get 5 by
Fri, Jul 3
Total Available: 10
In Stock
Get 5 by
Fri, Jul 3
Total Available: 10
Add to List
27W13 Compare Checkbox
Compare
High Pressure Switch, 27W13
SKU:
27W13
Lennox
SKU:
27W13
Brand:
Lennox
–
+
$35.93
each
ADD TO CART
Add to List
In Stock
Get 1 by
Thu, Jul 2
Total Available: 7
In Stock
Get 1 by
Thu, Jul 2
Total Available: 7
Add to List
31J96 Compare Checkbox
Compare
Rollout Switch, 31J96
SKU:
31J96
Lennox
SKU:
31J96
Brand:
Lennox
(1)
–
+
$40.97
each
ADD TO CART
Add to List
Backorder
Get it by
Thu, Jul 30 - Thu, Aug 27
Backorder
Get it by
Thu, Jul 30 - Thu, Aug 27
Add to List
72W95 Compare Checkbox
Compare
F58-29f Freezestat Temp Switch, 72W95
SKU:
72W95
Lennox
SKU:
72W95
Brand:
Lennox
–
+
$34.16
each
ADD TO CART
Add to List
In Stock
Get 4 by
Thu, Jul 2
Total Available: 7
In Stock
Get 4 by
Thu, Jul 2
Total Available: 7
Add to List
25J30 Compare Checkbox
Compare
Limit Control, 25J30
SKU:
25J30
Lennox
SKU:
25J30
Brand:
Lennox
–
+
$18.31
each
ADD TO CART
Add to List
In Stock
Get 1 by
Thu, Jul 2
Total Available: 4
In Stock
Get 1 by
Thu, Jul 2
Total Available: 4
Add to List
26L61 Compare Checkbox
Compare
Limit Control 26L61
SKU:
26L61
Lennox
SKU:
26L61
Brand:
Lennox
–
+
$54.85
each
ADD TO CART
Add to List
In Stock
Get 6 by
Thu, Jul 2
Total Available: 11
In Stock
Get 6 by
Thu, Jul 2
Total Available: 11
Add to List
10J73 Compare Checkbox
Compare
Pressure Switch, 10J73
SKU:
10J73
Lennox
SKU:
10J73
Brand:
Lennox
–
+
$17.88
each
ADD TO CART
Add to List
In Stock
Get 1 by
Thu, Jul 2
Total Available: 3
In Stock
Get 1 by
Thu, Jul 2
Total Available: 3
Add to List
20J99 Compare Checkbox
Compare
Limit Switch, 20J99
SKU:
20J99
Lennox
SKU:
20J99
Brand:
Lennox
–
+
$30.03
each
ADD TO CART
Add to List
In Stock
Get 2 by
Thu, Jul 2
Total Available: 19
In Stock
Get 2 by
Thu, Jul 2
Total Available: 19
Add to List
12L46 Compare Checkbox
Compare
.40" WC Dual 1/4" Barb Connection SPST Pressure Switch, 12L46
SKU:
12L46
Lennox
SKU:
12L46
Brand:
Lennox
–
+
$100.08
each
ADD TO CART
Add to List
Backorder
Get it by
Thu, Jul 30 - Thu, Aug 27
Backorder
Get it by
Thu, Jul 30 - Thu, Aug 27
Add to List
88W59 Compare Checkbox
Compare
Pressure Switch SPST -40/185F, 88W59
SKU:
88W59
Lennox
SKU:
88W59
Brand:
Lennox
–
+
$45.69
each
ADD TO CART
Add to List
In Stock
Get 7 by
Thu, Jul 2
Total Available: 82
In Stock
Get 7 by
Thu, Jul 2
Total Available: 82
Add to List
56W27 Compare Checkbox
Compare
Limit Control - Blue/Green, 56W27
SKU:
56W27
Lennox
SKU:
56W27
Brand:
Lennox
–
+
$13.13
each
ADD TO CART
Add to List
In Stock
Get 1 by
Thu, Jul 2
Total Available: 8
In Stock
Get 1 by
Thu, Jul 2
Total Available: 8
Add to List
79J08 Compare Checkbox
Compare
Suction Pressure Switch, 79J08
SKU:
79J08
Lennox
SKU:
79J08
Brand:
Lennox
–
+
$92.64
each
ADD TO CART
Add to List
In Stock
Get 19 by
Fri, Jul 3
Total Available: 23
In Stock
Get 19 by
Fri, Jul 3
Total Available: 23
Add to List
54M89 Compare Checkbox
Compare
Low Ambient Control Kit, 54M89
SKU:
54M89
Lennox
SKU:
54M89
Brand:
Lennox
–
+
$198.83
each
ADD TO CART
Add to List
In Stock
Get 3 by
Thu, Jul 2
Total Available: 8
In Stock
Get 3 by
Thu, Jul 2
Total Available: 8
Add to List
13P93 Compare Checkbox
Compare
Fan and Limit Control, 13P93
SKU:
13P93
Lennox
SKU:
13P93
Brand:
Lennox
–
+
$287.72
each
ADD TO CART
Add to List
In Stock
Get 1 by
Fri, Jul 3
In Stock
Get 1 by
Fri, Jul 3
Add to List
56W26 Compare Checkbox
Compare
Auto Limit Switch 180-215F, 56W26
SKU:
56W26
Lennox
SKU:
56W26
Brand:
Lennox
–
+
$12.03
each
ADD TO CART
Add to List
In Stock
Get 1 by
Thu, Jul 2
Total Available: 4
In Stock
Get 1 by
Thu, Jul 2
Total Available: 4
Add to List
57M66 Compare Checkbox
Compare
1.41"WC Dual 1/4" Barb Connection SPST Pressure Switch, 57M66
SKU:
57M66
Lennox
SKU:
57M66
Brand:
Lennox
–
+
$128.37
each
ADD TO CART
Add to List
In Stock
Get 1 by
Thu, Jul 2
Total Available: 4
In Stock
Get 1 by
Thu, Jul 2
Total Available: 4
Add to List
18M63 Compare Checkbox
Compare
Pressure Switch 2-Setting .20"/.45" WC, 18M63
SKU:
18M63
Lennox
SKU:
18M63
Brand:
Lennox
–
+
$145.92
each
ADD TO CART
Add to List
In Stock
Get 3 by
Thu, Jul 2
Total Available: 9
In Stock
Get 3 by
Thu, Jul 2
Total Available: 9
Add to List
94W50 Compare Checkbox
Compare
Limit Switch, 94W50
SKU:
94W50
Lennox
SKU:
94W50
Brand:
Lennox
–
+
$77.41
each
ADD TO CART
Add to List
Backorder
Get it by
Thu, Jul 30 - Thu, Aug 27
Backorder
Get it by
Thu, Jul 30 - Thu, Aug 27
Add to List
51W90 Compare Checkbox
Compare
Dual 1/4" Barb Connection SPST Pressure Switch, 51W90
SKU:
51W90
Lennox
SKU:
51W90
Brand:
Lennox
–
+
$41.29
each
ADD TO CART
Add to List
In Stock
Get 1 by
Thu, Jul 2
In Stock
Get 1 by
Thu, Jul 2
Add to List
20G52 Compare Checkbox
Compare
DPDT 1/8 HP Blower Relay (24v), 20G52
SKU:
20G52
Lennox
SKU:
20G52
Brand:
Lennox
–
+
$66.06
each
ADD TO CART
Add to List
In Stock
Get 3 by
Fri, Jul 3
In Stock
Get 3 by
Fri, Jul 3
Add to List
74W77 Compare Checkbox
Compare
L155-30f Limit Switch, 74W77
SKU:
74W77
Lennox
SKU:
74W77
Brand:
Lennox
–
+
$23.92
each
ADD TO CART
Add to List
In Stock
Get 1 by
Thu, Jul 2
Total Available: 2
In Stock
Get 1 by
Thu, Jul 2
Total Available: 2
Add to List
26H61 Compare Checkbox
Compare
Damper Switch, 26H61
SKU:
26H61
Lennox
SKU:
26H61
Brand:
Lennox
–
+
$25.20
each
ADD TO CART
Add to List
In Stock
Get 2 by
Fri, Jul 3
Total Available: 5
In Stock
Get 2 by
Fri, Jul 3
Total Available: 5
Add to List
10U40 Compare Checkbox
Compare
675-490psi High Pressure Switch, 10U40
SKU:
10U40
Lennox
SKU:
10U40
Brand:
Lennox
–
+
$59.13
each
ADD TO CART
Add to List
In Stock
Get 20 by
Fri, Jul 3
Total Available: 34
In Stock
Get 20 by
Fri, Jul 3
Total Available: 34
Add to List
10M61 Compare Checkbox
Compare
L180-40f Limit Switch, 10M61
SKU:
10M61
Lennox
SKU:
10M61
Brand:
Lennox
–
+
$14.74
each
ADD TO CART
Add to List
In Stock
Get 1 by
Thu, Jul 2
Total Available: 3
In Stock
Get 1 by
Thu, Jul 2
Total Available: 3
Add to List
11W51 Compare Checkbox
Compare
Auto Limit Switch 160-190F, 11W51
SKU:
11W51
Lennox
SKU:
11W51
Brand:
Lennox
(2)
–
+
$12.05
each
ADD TO CART
Add to List
In Stock
Get 1 by
Thu, Jul 2
Total Available: 4
In Stock
Get 1 by
Thu, Jul 2
Total Available: 4
Add to List
36K30 Compare Checkbox
Compare
Auto Limit Switch 190-220F, 36K30
SKU:
36K30
Lennox
SKU:
36K30
Brand:
Lennox
–
+
$117.02
each
ADD TO CART
Add to List
In Stock
Get 2 by
Thu, Jul 2
Total Available: 4
In Stock
Get 2 by
Thu, Jul 2
Total Available: 4
Add to List
51W93 Compare Checkbox
Compare
1.12" WC N/O Pressure Switch, 51W93
SKU:
51W93
Lennox
SKU:
51W93
Brand:
Lennox
–
+
$37.44
each
ADD TO CART
Add to List
In Stock
Get 4 by
Thu, Jul 2
Total Available: 7
In Stock
Get 4 by
Thu, Jul 2
Total Available: 7
Add to List
10M64 Compare Checkbox
Compare
High Limit Control 190f out 150f in, 10M64
SKU:
10M64
Lennox
SKU:
10M64
Brand:
Lennox
–
+
$34.88
each
ADD TO CART
Add to List
Backorder
Get it by
Thu, Jul 30 - Thu, Aug 27
Backorder
Get it by
Thu, Jul 30 - Thu, Aug 27
Add to List
41G52 Compare Checkbox
Compare
LB-21259D KEY, 41G52
SKU:
41G52
Lennox
SKU:
41G52
Brand:
Lennox
–
+
$2.57
each
ADD TO CART
Add to List
In Stock
Get 1 by
Fri, Jul 3
Total Available: 3
In Stock
Get 1 by
Fri, Jul 3
Total Available: 3
Add to List
24W98 Compare Checkbox
Compare
Pressure Switch (.31), 24W98
SKU:
24W98
Lennox
SKU:
24W98
Brand:
Lennox
–
+
$81.70
each
ADD TO CART
Add to List
In Stock
Get 10 by
Fri, Jul 3
Total Available: 15
In Stock
Get 10 by
Fri, Jul 3
Total Available: 15
Add to List
96W85 Compare Checkbox
Compare
Limit, 200f Open, 96W85
SKU:
96W85
Lennox
SKU:
96W85
Brand:
Lennox
–
+
$31.41
each
ADD TO CART
Add to List
In Stock
Get 1 by
Thu, Jul 2
Total Available: 17
In Stock
Get 1 by
Thu, Jul 2
Total Available: 17
Add to List
99K63 Compare Checkbox
Compare
Rollout Switch w/ Manual Reset, 99K63
SKU:
99K63
Lennox
SKU:
99K63
Brand:
Lennox
(1)
–
+
$36.09
each
ADD TO CART
Add to List
In Stock
Get 2 by
Thu, Jul 2
Total Available: 7
In Stock
Get 2 by
Thu, Jul 2
Total Available: 7
Add to List
1
...
3
4
5
...
10
Resources
FAQs, Manuals & Videos
Articles
More About Lennox Relay, Switch, Limit Controls
This category contains a variety of relay, switch and limit controls manufactured by Lennox.
View More
Close Resources
Refresh
×
Video