Skip to accessibility statement
Free shipping on orders over $99
●
Your Zip:
43230
ORDER STATUS
Your Zip:
43230
HELP
MENU
CONTACT & SUPPORT
Live Chat: Online Now
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
2,607 items
Reset
SORT
Top Sellers
Default
Price ▲
Price ▼
Product Availability
–
Show In Stock Only</strong> Filter (296)
Show
In Stock Only
(296)
Category
–
ARMflo E Series Pumps (53)
Astro Series Pumps (22)
In-Line Pumps (65)
Replacement Parts (2466)
Material
–
Bronze Filter (56)
Bronze (56)
Cast Iron Filter (66)
Cast Iron (66)
Stainless Steel Filter (12)
Stainless Steel (12)
Max Flow (GPM)
–
9 Filter (4)
9 (4)
10 Filter (1)
10 (1)
18 Filter (5)
18 (5)
20 Filter (4)
20 (4)
22 Filter (2)
22 (2)
30 Filter (2)
30 (2)
32 Filter (2)
32 (2)
34 Filter (6)
34 (6)
35 Filter (2)
35 (2)
38 Filter (13)
38 (13)
See More
Max Head (Ft)
–
5.5 Filter (4)
5.5 (4)
8 Filter (2)
8 (2)
11 Filter (2)
11 (2)
14 Filter (2)
14 (2)
14.2 Filter (2)
14.2 (2)
16 Filter (2)
16 (2)
16.5 Filter (2)
16.5 (2)
16.8 Filter (2)
16.8 (2)
17 Filter (2)
17 (2)
17.5 Filter (2)
17.5 (2)
See More
Horse Power
–
1/25 Filter (19)
1/25 (19)
1/20 Filter (2)
1/20 (2)
1/12 Filter (3)
1/12 (3)
1/6 Filter (28)
1/6 (28)
1/4 Filter (7)
1/4 (7)
1/3 Filter (7)
1/3 (7)
2/5 Filter (32)
2/5 (32)
1/2 Filter (12)
1/2 (12)
3/4 Filter (13)
3/4 (13)
1 Filter (15)
1 (15)
See More
Voltage
–
115/230V Filter (2)
115/230V (2)
115V Filter (62)
115V (62)
120v Filter (45)
120v (45)
208-230/460v Filter (1)
208-230/460v (1)
208V Filter (23)
208V (23)
230V Filter (32)
230V (32)
240v Filter (6)
240v (6)
460v Filter (23)
460v (23)
575v Filter (9)
575v (9)
Review Score
–
5 Filter (28)
(28)
4 Filter (3)
(3)
Price Range
–
$1 to $5 Filter (76)
$1 to $5 (76)
$5 to $10 Filter (121)
$5 to $10 (121)
$10 to $15 Filter (82)
$10 to $15 (82)
$15 to $20 Filter (60)
$15 to $20 (60)
$20 to $25 Filter (44)
$20 to $25 (44)
$25 to $30 Filter (34)
$25 to $30 (34)
$30 to $35 Filter (34)
$30 to $35 (34)
$35 to $40 Filter (34)
$35 to $40 (34)
$40 to $45 Filter (23)
$40 to $45 (23)
$45 to $50 Filter (40)
$45 to $50 (40)
See More
Home
Heating Supplies & Parts
Circulator Pumps
Armstrong Pumps
Armstrong Pumps
Need a little help?
View our Resources
2607 items
FILTER
Grid
List
Sort: Top Sellers
850806-160 Compare Checkbox
Compare
Standard Kit Hsc 8 X 6 X 16
SKU:
850806-160
Armstrong Pumps
SKU:
850806-160
Brand:
Armstrong Pumps
–
+
$2,236.40
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Aug 3 - Wed, Sep 2
Backorder
Get it by
Mon, Aug 3 - Wed, Sep 2
Add to List
663850-023 Compare Checkbox
Compare
Tnk Clr Ss316 6" 150# Std
SKU:
663850-023
Armstrong Pumps
SKU:
663850-023
Brand:
Armstrong Pumps
–
+
$2,585.07
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Aug 3 - Wed, Sep 2
Backorder
Get it by
Mon, Aug 3 - Wed, Sep 2
Add to List
806617-000 Compare Checkbox
Compare
Brg Frm Assembly Sl 4020 (Packaged)
SKU:
806617-000
Armstrong Pumps
SKU:
806617-000
Brand:
Armstrong Pumps
–
+
$6,871.15
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Aug 3 - Wed, Sep 2
Backorder
Get it by
Mon, Aug 3 - Wed, Sep 2
Add to List
911125-107 Compare Checkbox
Compare
Capscrew Steel 1/2-13x7/8
SKU:
911125-107
Armstrong Pumps
SKU:
911125-107
Brand:
Armstrong Pumps
–
+
$4.82
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jul 31 - Fri, Aug 28
Backorder
Get it by
Fri, Jul 31 - Fri, Aug 28
Add to List
425869-222 Compare Checkbox
Compare
213-326jp Medium Frame Ss Sleeve Only - See 810150-253 For Kit
SKU:
425869-222
Armstrong Pumps
SKU:
425869-222
Brand:
Armstrong Pumps
–
+
$216.47
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jul 31 - Fri, Aug 28
Backorder
Get it by
Fri, Jul 31 - Fri, Aug 28
Add to List
427804-1312 Compare Checkbox
Compare
Blanking Plate Kit - 13" Impeller
SKU:
427804-1312
Armstrong Pumps
SKU:
427804-1312
Brand:
Armstrong Pumps
–
+
$4,215.27
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jul 31 - Fri, Aug 28
Backorder
Get it by
Fri, Jul 31 - Fri, Aug 28
Add to List
426959-002 Compare Checkbox
Compare
Drip Pan-14"w Stainless Steel 4.875"ctr 2h
SKU:
426959-002
Armstrong Pumps
SKU:
426959-002
Brand:
Armstrong Pumps
–
+
$494.58
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jul 31 - Fri, Aug 28
Backorder
Get it by
Fri, Jul 31 - Fri, Aug 28
Add to List
D251943-043 Compare Checkbox
Compare
Wearing Ring-Impeller Bz 7.875x8.43
SKU:
D251943-043
Armstrong Pumps
SKU:
D251943-043
Brand:
Armstrong Pumps
–
+
$883.61
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jul 31 - Fri, Aug 28
Backorder
Get it by
Fri, Jul 31 - Fri, Aug 28
Add to List
8606160-041 Compare Checkbox
Compare
Head Repl. Bronze 08" 4p #1 150#
SKU:
8606160-041
Armstrong Pumps
SKU:
8606160-041
Brand:
Armstrong Pumps
–
+
$9,646.43
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Aug 3 - Wed, Sep 2
Backorder
Get it by
Mon, Aug 3 - Wed, Sep 2
Add to List
D251940-011 Compare Checkbox
Compare
Ring-casing Wr Ci 6x6.75" 1.00
SKU:
D251940-011
Armstrong Pumps
SKU:
D251940-011
Brand:
Armstrong Pumps
–
+
$2,260.19
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Aug 3 - Wed, Sep 2
Backorder
Get it by
Mon, Aug 3 - Wed, Sep 2
Add to List
D251950-041 Compare Checkbox
Compare
Gland Mech Seal Bze Grp-m
SKU:
D251950-041
Armstrong Pumps
SKU:
D251950-041
Brand:
Armstrong Pumps
–
+
$391.04
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jul 31 - Fri, Aug 28
Backorder
Get it by
Fri, Jul 31 - Fri, Aug 28
Add to List
427562-041 Compare Checkbox
Compare
Impeller Bronze 20x20x19 Xxl
SKU:
427562-041
Armstrong Pumps
SKU:
427562-041
Brand:
Armstrong Pumps
–
+
$11,765.88
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Aug 3 - Wed, Sep 2
Backorder
Get it by
Mon, Aug 3 - Wed, Sep 2
Add to List
660346-000 Compare Checkbox
Compare
Adj Sprt Assembly Steel 26" Htrs
SKU:
660346-000
Armstrong Pumps
SKU:
660346-000
Brand:
Armstrong Pumps
–
+
$1,056.62
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jul 31 - Fri, Aug 28
Backorder
Get it by
Fri, Jul 31 - Fri, Aug 28
Add to List
939003-309 Compare Checkbox
Compare
Conn-male Elb Stainless Steel 3/8t 1/4npt
SKU:
939003-309
Armstrong Pumps
SKU:
939003-309
Brand:
Armstrong Pumps
–
+
$212.52
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jul 31 - Fri, Aug 28
Backorder
Get it by
Fri, Jul 31 - Fri, Aug 28
Add to List
828320-011 Compare Checkbox
Compare
Adapter Ass'y - 4360b Fr: 56
SKU:
828320-011
Armstrong Pumps
SKU:
828320-011
Brand:
Armstrong Pumps
–
+
$647.08
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jul 31 - Fri, Aug 28
Backorder
Get it by
Fri, Jul 31 - Fri, Aug 28
Add to List
961180-462 Compare Checkbox
Compare
O-ring Viton 17.5"id X .275cs
SKU:
961180-462
Armstrong Pumps
SKU:
961180-462
Brand:
Armstrong Pumps
–
+
$937.59
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jul 31 - Fri, Aug 28
Backorder
Get it by
Fri, Jul 31 - Fri, Aug 28
Add to List
84300458-069 Compare Checkbox
Compare
125/1800/dbv/3/df/ 405tc/u/o/n
SKU:
84300458-069
Armstrong Pumps
SKU:
84300458-069
Brand:
Armstrong Pumps
–
+
$19,593.85
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Aug 3 - Wed, Sep 2
Backorder
Get it by
Mon, Aug 3 - Wed, Sep 2
Add to List
8606850-041 Compare Checkbox
Compare
Head Repl. Bronze 10" 4p #1 150#
SKU:
8606850-041
Armstrong Pumps
SKU:
8606850-041
Brand:
Armstrong Pumps
–
+
$13,947.90
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Aug 3 - Wed, Sep 2
Backorder
Get it by
Mon, Aug 3 - Wed, Sep 2
Add to List
816565-000 Compare Checkbox
Compare
Oil Wicks (3/8x1/2)
SKU:
816565-000
Armstrong Pumps
SKU:
816565-000
Brand:
Armstrong Pumps
–
+
$21.68
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jul 31 - Fri, Aug 28
Backorder
Get it by
Fri, Jul 31 - Fri, Aug 28
Add to List
931100-000 Compare Checkbox
Compare
Elbow-90deg Mi 1/8npt
SKU:
931100-000
Armstrong Pumps
SKU:
931100-000
Brand:
Armstrong Pumps
–
+
$14.69
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jul 31 - Fri, Aug 28
Backorder
Get it by
Fri, Jul 31 - Fri, Aug 28
Add to List
975000-852 Compare Checkbox
Compare
Coupling Flange 9s-2.125 Bore
SKU:
975000-852
Armstrong Pumps
SKU:
975000-852
Brand:
Armstrong Pumps
–
+
$325.63
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jul 31 - Fri, Aug 28
Backorder
Get it by
Fri, Jul 31 - Fri, Aug 28
Add to List
426200-033 Compare Checkbox
Compare
Casing Assembly Dbf 5x4x11.5fm 250
SKU:
426200-033
Armstrong Pumps
SKU:
426200-033
Brand:
Armstrong Pumps
–
+
$10,852.77
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Aug 3 - Wed, Sep 2
Backorder
Get it by
Mon, Aug 3 - Wed, Sep 2
Add to List
427784-102 Compare Checkbox
Compare
Fstnrs Kit 4280/4380m 8" 210-250
SKU:
427784-102
Armstrong Pumps
SKU:
427784-102
Brand:
Armstrong Pumps
–
+
$107.58
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jul 31 - Fri, Aug 28
Backorder
Get it by
Fri, Jul 31 - Fri, Aug 28
Add to List
426742-211 Compare Checkbox
Compare
Pump Adapter
SKU:
426742-211
Armstrong Pumps
SKU:
426742-211
Brand:
Armstrong Pumps
–
+
$1,164.33
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jul 31 - Fri, Aug 28
Backorder
Get it by
Fri, Jul 31 - Fri, Aug 28
Add to List
971115-901 Compare Checkbox
Compare
Bearing Brg-dbl Roll 50mm Ang Cont
SKU:
971115-901
Armstrong Pumps
SKU:
971115-901
Brand:
Armstrong Pumps
–
+
$309.43
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jul 31 - Fri, Aug 28
Backorder
Get it by
Fri, Jul 31 - Fri, Aug 28
Add to List
9072122-048 Compare Checkbox
Compare
Rotex 38/ci/1a/1.875/.500/ss
SKU:
9072122-048
Armstrong Pumps
SKU:
9072122-048
Brand:
Armstrong Pumps
–
+
$234.05
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jul 31 - Fri, Aug 28
Backorder
Get it by
Fri, Jul 31 - Fri, Aug 28
Add to List
880210-071 Compare Checkbox
Compare
Body Gasket ( E-series)
SKU:
880210-071
Armstrong Pumps
SKU:
880210-071
Brand:
Armstrong Pumps
–
+
$20.28
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jul 31 - Fri, Aug 28
Backorder
Get it by
Fri, Jul 31 - Fri, Aug 28
Add to List
975000-834 Compare Checkbox
Compare
Coupling Flange 6j-1.125 Bore
SKU:
975000-834
Armstrong Pumps
SKU:
975000-834
Brand:
Armstrong Pumps
–
+
$114.58
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jul 31 - Fri, Aug 28
Backorder
Get it by
Fri, Jul 31 - Fri, Aug 28
Add to List
806158-000 Compare Checkbox
Compare
5 Series Pump Body Gasket
SKU:
806158-000
Armstrong Pumps
SKU:
806158-000
Brand:
Armstrong Pumps
–
+
$11.06
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jul 31 - Fri, Aug 28
Backorder
Get it by
Fri, Jul 31 - Fri, Aug 28
Add to List
428320-071 Compare Checkbox
Compare
Mot Bracket Assembly 4360 Ai
SKU:
428320-071
Armstrong Pumps
SKU:
428320-071
Brand:
Armstrong Pumps
–
+
$831.95
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jul 31 - Fri, Aug 28
Backorder
Get it by
Fri, Jul 31 - Fri, Aug 28
Add to List
427296-041 Compare Checkbox
Compare
Impeller Bronze 8x5x11.5 L
SKU:
427296-041
Armstrong Pumps
SKU:
427296-041
Brand:
Armstrong Pumps
–
+
$6,388.10
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Aug 3 - Wed, Sep 2
Backorder
Get it by
Mon, Aug 3 - Wed, Sep 2
Add to List
427161-041 Compare Checkbox
Compare
Impeller Bronze 3x1.5x13 M
SKU:
427161-041
Armstrong Pumps
SKU:
427161-041
Brand:
Armstrong Pumps
–
+
$2,433.89
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Aug 3 - Wed, Sep 2
Backorder
Get it by
Mon, Aug 3 - Wed, Sep 2
Add to List
961131-455 Compare Checkbox
Compare
O Ring Buna 13"id
SKU:
961131-455
Armstrong Pumps
SKU:
961131-455
Brand:
Armstrong Pumps
–
+
$35.40
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jul 31 - Fri, Aug 28
Backorder
Get it by
Fri, Jul 31 - Fri, Aug 28
Add to List
106284MF-136A Compare Checkbox
Compare
S-55-3 Bronze Fitted Cast Iron 3-Phase In-Line Pump, 1/2 HP
SKU:
106284MF-136A
Armstrong Pumps
SKU:
106284MF-136A
Brand:
Armstrong Pumps
–
+
$2,061.81
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Aug 3 - Wed, Sep 2
Backorder
Get it by
Mon, Aug 3 - Wed, Sep 2
Add to List
9975001-838 Compare Checkbox
Compare
Packaged Seal 1.625 2a Scsc316EPDM O-ring End Of Run - Use 9975001-837
SKU:
9975001-838
Armstrong Pumps
SKU:
9975001-838
Brand:
Armstrong Pumps
–
+
$259.27
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jul 31 - Fri, Aug 28
Backorder
Get it by
Fri, Jul 31 - Fri, Aug 28
Add to List
8615909-041 Compare Checkbox
Compare
Head Replacement Bronze 08" 2p #2 150#
SKU:
8615909-041
Armstrong Pumps
SKU:
8615909-041
Brand:
Armstrong Pumps
–
+
$9,766.35
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Aug 3 - Wed, Sep 2
Backorder
Get it by
Mon, Aug 3 - Wed, Sep 2
Add to List
911123-108 Compare Checkbox
Compare
Pump Body Capscrews - 7/16-14x1
SKU:
911123-108
Armstrong Pumps
SKU:
911123-108
Brand:
Armstrong Pumps
–
+
$5.49
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jul 31 - Fri, Aug 28
Backorder
Get it by
Fri, Jul 31 - Fri, Aug 28
Add to List
816322-011 Compare Checkbox
Compare
Impeller Assembly Steel 3.375"
SKU:
816322-011
Armstrong Pumps
SKU:
816322-011
Brand:
Armstrong Pumps
–
+
$203.49
each
ADD TO CART
Add to List
In Stock
Get 1 by
Tomorrow, Jul 2
Total Available: 6
In Stock
Get 1 by
Tomorrow, Jul 2
Total Available: 6
Add to List
426729-031 Compare Checkbox
Compare
Pedestal-int Di 11.5" S
SKU:
426729-031
Armstrong Pumps
SKU:
426729-031
Brand:
Armstrong Pumps
–
+
$6,454.11
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Aug 3 - Wed, Sep 2
Backorder
Get it by
Mon, Aug 3 - Wed, Sep 2
Add to List
571110LF-360 Compare Checkbox
Compare
Cbv050Vtcr-Lf, 571110LF-360
SKU:
571110LF-360
Armstrong Pumps
SKU:
571110LF-360
Brand:
Armstrong Pumps
–
+
$144.73
each
ADD TO CART
Add to List
In Stock
Get 10 by
Fri, Jul 3
In Stock
Get 10 by
Fri, Jul 3
Add to List
999005-003 Compare Checkbox
Compare
Loctite 7649 Primer 0.88oz (25g)
SKU:
999005-003
Armstrong Pumps
SKU:
999005-003
Brand:
Armstrong Pumps
–
+
$109.78
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jul 31 - Fri, Aug 28
Backorder
Get it by
Fri, Jul 31 - Fri, Aug 28
Add to List
975000-500 Compare Checkbox
Compare
Separator 1/2 Npt Nylon 240f
SKU:
975000-500
Armstrong Pumps
SKU:
975000-500
Brand:
Armstrong Pumps
–
+
$2,131.76
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jul 31 - Fri, Aug 28
Backorder
Get it by
Fri, Jul 31 - Fri, Aug 28
Add to List
8614948-001 Compare Checkbox
Compare
Head Replacement Steel 16" 4p #4 150#
SKU:
8614948-001
Armstrong Pumps
SKU:
8614948-001
Brand:
Armstrong Pumps
–
+
$14,716.77
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Aug 3 - Wed, Sep 2
Backorder
Get it by
Mon, Aug 3 - Wed, Sep 2
Add to List
8614851-041 Compare Checkbox
Compare
Hd Repl Bronze 20" 2p #2 150#
SKU:
8614851-041
Armstrong Pumps
SKU:
8614851-041
Brand:
Armstrong Pumps
–
+
$2,342.74
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Aug 3 - Wed, Sep 2
Backorder
Get it by
Mon, Aug 3 - Wed, Sep 2
Add to List
D500400-200 Compare Checkbox
Compare
Transducer Pressure 300 Psig
SKU:
D500400-200
Armstrong Pumps
SKU:
D500400-200
Brand:
Armstrong Pumps
–
+
$3,197.18
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Aug 3 - Wed, Sep 2
Backorder
Get it by
Mon, Aug 3 - Wed, Sep 2
Add to List
427394-000 Compare Checkbox
Compare
Seat-valve EPDM 6"da Flapper
SKU:
427394-000
Armstrong Pumps
SKU:
427394-000
Brand:
Armstrong Pumps
–
+
$269.59
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jul 31 - Fri, Aug 28
Backorder
Get it by
Fri, Jul 31 - Fri, Aug 28
Add to List
965001-120 Compare Checkbox
Compare
Lipseal 1.5id Cr#1
SKU:
965001-120
Armstrong Pumps
SKU:
965001-120
Brand:
Armstrong Pumps
–
+
$36.15
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jul 31 - Fri, Aug 28
Backorder
Get it by
Fri, Jul 31 - Fri, Aug 28
Add to List
S-443 Compare Checkbox
Compare
Seal 810120-009, S-443
SKU:
S-443
Armstrong Pumps
SKU:
S-443
Brand:
Armstrong Pumps
–
+
$85.83
each
ADD TO CART
Add to List
In Stock
Get 9 by
Tomorrow, Jul 2
In Stock
Get 9 by
Tomorrow, Jul 2
Add to List
1
...
13
14
15
...
55
Resources
FAQs, Manuals & Videos
Videos
Replacing a Circulator Pump
Circulator Pump Flange Selection
Close Resources
Refresh
×
Video