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
2,607 items
Reset
SORT
Top Sellers
Default
Price ▲
Price ▼
Product Availability
–
Show In Stock Only</strong> Filter (295)
Show
In Stock Only
(295)
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
8614939-001 Compare Checkbox
Compare
Head Replacement Steel 14" 2p #4 150#
SKU:
8614939-001
Armstrong Pumps
SKU:
8614939-001
Brand:
Armstrong Pumps
–
+
$12,669.69
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
426980-041 Compare Checkbox
Compare
Impeller Bronze Xl 12x12x17 Dbl Suct
SKU:
426980-041
Armstrong Pumps
SKU:
426980-041
Brand:
Armstrong Pumps
–
+
$14,567.68
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
D101166-210 Compare Checkbox
Compare
Seal-mech Type 21 Xf-1d1 (seal Only)
SKU:
D101166-210
Armstrong Pumps
SKU:
D101166-210
Brand:
Armstrong Pumps
–
+
$2,322.34
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
939031-414 Compare Checkbox
Compare
Hose-braid Assembly S L=14" W/brs
SKU:
939031-414
Armstrong Pumps
SKU:
939031-414
Brand:
Armstrong Pumps
–
+
$33.97
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
911900-193 Compare Checkbox
Compare
Capscrew Hsbutton 1/2-13x2.25"lg
SKU:
911900-193
Armstrong Pumps
SKU:
911900-193
Brand:
Armstrong Pumps
–
+
$6.23
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
935105-001 Compare Checkbox
Compare
Plug (drain & Gauge) - 4270
SKU:
935105-001
Armstrong Pumps
SKU:
935105-001
Brand:
Armstrong Pumps
–
+
$6.92
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
D251946-041 Compare Checkbox
Compare
Casing Wear Ring, D251946-041
SKU:
D251946-041
Armstrong Pumps
SKU:
D251946-041
Brand:
Armstrong Pumps
–
+
$4,140.51
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
961111-264 Compare Checkbox
Compare
O-ring EPDM 7-1/2"id X .139cs
SKU:
961111-264
Armstrong Pumps
SKU:
961111-264
Brand:
Armstrong Pumps
–
+
$37.49
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
8692355-011 Compare Checkbox
Compare
Hd Repl Steel 4" 2p #3 400#
SKU:
8692355-011
Armstrong Pumps
SKU:
8692355-011
Brand:
Armstrong Pumps
–
+
$2,808.13
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
975002-324 Compare Checkbox
Compare
Seal 5" 4300 Size 0.750
SKU:
975002-324
Armstrong Pumps
SKU:
975002-324
Brand:
Armstrong Pumps
–
+
$138.56
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
939016-102 Compare Checkbox
Compare
Coupling Full Brs 1/4npt
SKU:
939016-102
Armstrong Pumps
SKU:
939016-102
Brand:
Armstrong Pumps
–
+
$20.79
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
427761-003 Compare Checkbox
Compare
Guard-tc Coupling Steel 180-250
SKU:
427761-003
Armstrong Pumps
SKU:
427761-003
Brand:
Armstrong Pumps
–
+
$1,599.46
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
692271-003 Compare Checkbox
Compare
Gasket 8"head 4p Spiral Wound
SKU:
692271-003
Armstrong Pumps
SKU:
692271-003
Brand:
Armstrong Pumps
–
+
$1,775.26
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
D251910-071 Compare Checkbox
Compare
Seal-mech Gland "m"
SKU:
D251910-071
Armstrong Pumps
SKU:
D251910-071
Brand:
Armstrong Pumps
–
+
$1,134.45
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
911125-412 Compare Checkbox
Compare
Capscrew Stainless Steel 1/2-13x1.5
SKU:
911125-412
Armstrong Pumps
SKU:
911125-412
Brand:
Armstrong Pumps
–
+
$14.48
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
816346-841 Compare Checkbox
Compare
Plate Cover C/w Gasket Low Lead
SKU:
816346-841
Armstrong Pumps
SKU:
816346-841
Brand:
Armstrong Pumps
–
+
$1,916.22
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
110223-329 Compare Checkbox
Compare
Astro-290SS 3-Speed Stainless Steel Circulator w/ Check Valve, 0-52 GPM Flow
SKU:
110223-329
Armstrong Pumps
SKU:
110223-329
Brand:
Armstrong Pumps
–
+
$847.80
each
ADD TO CART
Add to List
In Stock
Get 3 by
Fri, Jul 3
Total Available: 7
In Stock
Get 3 by
Fri, Jul 3
Total Available: 7
Add to List
618665-007 Compare Checkbox
Compare
Tnk Clr Steel 16" 150# Std
SKU:
618665-007
Armstrong Pumps
SKU:
618665-007
Brand:
Armstrong Pumps
–
+
$2,696.19
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
810120-216 Compare Checkbox
Compare
Packaged Hdwe Set W/Gasket (1060-3d)
SKU:
810120-216
Armstrong Pumps
SKU:
810120-216
Brand:
Armstrong Pumps
–
+
$53.40
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
975004-903 Compare Checkbox
Compare
Spring-torsion Stainless Steel 8"da Disch
SKU:
975004-903
Armstrong Pumps
SKU:
975004-903
Brand:
Armstrong Pumps
–
+
$140.24
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
911121-108 Compare Checkbox
Compare
Capscrew Steel 3/8-16x1lg
SKU:
911121-108
Armstrong Pumps
SKU:
911121-108
Brand:
Armstrong Pumps
–
+
$5.50
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
D356713-002 Compare Checkbox
Compare
Gasket Bg 8-1/2"x9-5/16"x1/32"
SKU:
D356713-002
Armstrong Pumps
SKU:
D356713-002
Brand:
Armstrong Pumps
–
+
$75.04
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
875000-807 Compare Checkbox
Compare
Packaged Coupling Insert 9je
SKU:
875000-807
Armstrong Pumps
SKU:
875000-807
Brand:
Armstrong Pumps
–
+
$462.92
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
427804-1012 Compare Checkbox
Compare
Blanking Plate Kit - 10" Impeller
SKU:
427804-1012
Armstrong Pumps
SKU:
427804-1012
Brand:
Armstrong Pumps
–
+
$2,309.22
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
D251940-042 Compare Checkbox
Compare
Ring-casing Wr Bz 7x7.625" 1.0
SKU:
D251940-042
Armstrong Pumps
SKU:
D251940-042
Brand:
Armstrong Pumps
–
+
$612.57
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
D500500-106 Compare Checkbox
Compare
Line Reactor 575/600v X 15hp
SKU:
D500500-106
Armstrong Pumps
SKU:
D500500-106
Brand:
Armstrong Pumps
–
+
$2,064.62
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
8606849-041 Compare Checkbox
Compare
Head Repl. Bronze 10" 2p #1 125#
SKU:
8606849-041
Armstrong Pumps
SKU:
8606849-041
Brand:
Armstrong Pumps
–
+
$15,220.17
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
428493-004 Compare Checkbox
Compare
Seat-valve EPDM 4"da Flapper
SKU:
428493-004
Armstrong Pumps
SKU:
428493-004
Brand:
Armstrong Pumps
–
+
$69.46
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
UKD07019-001 Compare Checkbox
Compare
Pcb Safe Contents Indicator
SKU:
UKD07019-001
Armstrong Pumps
SKU:
UKD07019-001
Brand:
Armstrong Pumps
–
+
$469.45
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
816310-041 Compare Checkbox
Compare
Impeller Bronze B&g P57450, Fits 60 2a
SKU:
816310-041
Armstrong Pumps
SKU:
816310-041
Brand:
Armstrong Pumps
–
+
$1,123.70
each
ADD TO CART
Add to List
In Stock
Get 3 by
Mon, Jul 6
In Stock
Get 3 by
Mon, Jul 6
Add to List
426129-011 Compare Checkbox
Compare
Casing Ci 4x3x8 125#
SKU:
426129-011
Armstrong Pumps
SKU:
426129-011
Brand:
Armstrong Pumps
–
+
$1,573.99
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
874054-001 Compare Checkbox
Compare
Mtg Ring Set 48fr Marathon Res
SKU:
874054-001
Armstrong Pumps
SKU:
874054-001
Brand:
Armstrong Pumps
–
+
$163.12
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
199162 Compare Checkbox
Compare
Tubing Neoprene 3/16idx3/8"od
SKU:
199162
Armstrong Pumps
SKU:
199162
Brand:
Armstrong Pumps
–
+
$2.91
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
8606916-011 Compare Checkbox
Compare
Head Replacement Ci 14" 2p #1 125#
SKU:
8606916-011
Armstrong Pumps
SKU:
8606916-011
Brand:
Armstrong Pumps
–
+
$7,002.29
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
411134-011 Compare Checkbox
Compare
Casing Ci 1.5 X 1.25
SKU:
411134-011
Armstrong Pumps
SKU:
411134-011
Brand:
Armstrong Pumps
–
+
$679.71
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
427156-041 Compare Checkbox
Compare
Impeller Bronze 8x6x10 S
SKU:
427156-041
Armstrong Pumps
SKU:
427156-041
Brand:
Armstrong Pumps
–
+
$2,091.68
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
KIT-MTG-VFD-012 Compare Checkbox
Compare
Kit-mtg Bracket/vfd Oshpd B12-c12
SKU:
KIT-MTG-VFD-012
Armstrong Pumps
SKU:
KIT-MTG-VFD-012
Brand:
Armstrong Pumps
–
+
$43.30
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
D118035-000 Compare Checkbox
Compare
Lantern Ring (each)
SKU:
D118035-000
Armstrong Pumps
SKU:
D118035-000
Brand:
Armstrong Pumps
–
+
$139.58
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
427564-000 Compare Checkbox
Compare
Coupling-5000 3-3/8x3-3/8 3.125gp
SKU:
427564-000
Armstrong Pumps
SKU:
427564-000
Brand:
Armstrong Pumps
–
+
$8,915.93
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
D251934-001 Compare Checkbox
Compare
Casing Gasket, D251934-001
SKU:
D251934-001
Armstrong Pumps
SKU:
D251934-001
Brand:
Armstrong Pumps
–
+
$33.29
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
DRIPCVR-O-W-280 Compare Checkbox
Compare
Kit-drip Cover 280 Odp Weg
SKU:
DRIPCVR-O-W-280
Armstrong Pumps
SKU:
DRIPCVR-O-W-280
Brand:
Armstrong Pumps
–
+
$533.73
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
939006-106 Compare Checkbox
Compare
Valve-angle Needle 3/
SKU:
939006-106
Armstrong Pumps
SKU:
939006-106
Brand:
Armstrong Pumps
–
+
$226.73
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
427738-000 Compare Checkbox
Compare
Coupling-tc Al 2-1/8x1-5/8 1.375gp
SKU:
427738-000
Armstrong Pumps
SKU:
427738-000
Brand:
Armstrong Pumps
–
+
$2,235.70
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
692271-007 Compare Checkbox
Compare
Gasket 16"head 4p Spiral Wound
SKU:
692271-007
Armstrong Pumps
SKU:
692271-007
Brand:
Armstrong Pumps
–
+
$2,364.09
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
804133-841 Compare Checkbox
Compare
Casing Lfb S-55 S-57
SKU:
804133-841
Armstrong Pumps
SKU:
804133-841
Brand:
Armstrong Pumps
–
+
$2,898.33
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
D251912-071 Compare Checkbox
Compare
Seal-mech Sleeve "m"
SKU:
D251912-071
Armstrong Pumps
SKU:
D251912-071
Brand:
Armstrong Pumps
–
+
$798.66
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
605276-000 Compare Checkbox
Compare
Adj Sprt Assembly Steel 06" Htrs
SKU:
605276-000
Armstrong Pumps
SKU:
605276-000
Brand:
Armstrong Pumps
–
+
$226.44
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
8614471-001 Compare Checkbox
Compare
Head Replacement Steel 12" 4p #4 150#
SKU:
8614471-001
Armstrong Pumps
SKU:
8614471-001
Brand:
Armstrong Pumps
–
+
$10,608.45
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
1
...
19
20
21
...
55
Resources
FAQs, Manuals & Videos
Videos
Replacing a Circulator Pump
Circulator Pump Flange Selection
Close Resources
Refresh
×
Video