Boiler Feed Water Pumps & Condensate Pumps | Boiler Supplies Inline Circulating Pumps Armstrong Inline Circulating Pumps
Armstrong Series S & H Inline Circulating Pumps deliver efficient, quiet, and reliable performance for HVAC, heating, and cooling systems. Built for durability, these pumps feature a space-saving inline design, low energy consumption, and minimal maintenance needs. Ideal for closed-loop heating, cooling, and hot water recirculation, they ensure optimal fluid movement with long-lasting efficiency.
| Part # | Model # | Part Name |
Mechanical Seal Assembly |
Shaft | Impeller | Volute | Flg Size | Motor HP | Price | Qty | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 174031-013 | S-25 | Iron Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Non-Ferrous | Cast Iron | Less Flgs | 1/12 | $786.67 | Add to Cart | |
| 174033-013 | S-35 | Iron Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Non-Ferrous | Cast Iron | 2" | 1/6 | $1,881.67 | Add to Cart | |
| 174036-113 | S-45 | Iron Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Non-Ferrous | Cast Iron | Less Flgs | 1/4 | $2,310.00 | Add to Cart | |
| 174037-113 | S-46 | Iron Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Non-Ferrous | Cast Iron | 3" | 1/3 | $3,330.00 | Add to Cart | |
| 174034-013 | H-32 | Iron Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Non-Ferrous | Cast Iron | Less Flgs | 1/6 | $2,470.00 | Add to Cart | |
| 174035-113 | H-41 | Iron Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Non-Ferrous | Cast Iron | 1" | 1/6 | $3,030.00 | Add to Cart | |
| 106284-132 | S-55-1 | Iron Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Non-Ferrous | Cast Iron | 3" | 1/2 1PH | $3,375.00 | Add to Cart | |
| 106284-136 | S-55-3 | Iron Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Non-Ferrous | Cast Iron | 3" | 1/2 3PH | $3,375.00 | Add to Cart | |
| 106285-132 | S-57-1 | Iron Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Non-Ferrous | Cast Iron | 3" | 3/4 1PH | $3,996.67 | Add to Cart | |
| 106285-136 | S-57-3 | Iron Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Non-Ferrous | Cast Iron | 3" | 3/4 3PH | $3,996.67 | Add to Cart | |
| 116531-132 | S-69-1 | Iron Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Brass-Stamped | Cast Iron | 3" | 1 1PH | $5,583.33 | Add to Cart | |
| 116525-136 | S-69-3 | Iron Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Brass-Stamped | Cast Iron | 3" | 1 3PH | $5,583.33 | Add to Cart | |
| 110123-005 |
Astro 30 & 30B |
Iron Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Cast Iron | $315.00 | Add to Cart | ||||
| 110123-006 |
Astro 50 & 50B |
Iron Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Cast Iron | $348.33 | Add to Cart | ||||
| 174031-043 | S-25 | Bronze Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Non-Ferrous | Bronze | Less Flgs | 1/12 | $1,385.00 | Add to Cart | |
| 174033-043 | S-35 | Bronze Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Non-Ferrous | Bronze | 2" | 1/6 | $3,025.00 | Add to Cart | |
| 174036-143 | S-45 | Bronze Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Non-Ferrous | Bronze | Less Flgs | 1/4 | $4,451.67 | Add to Cart | |
| 174037-143 | S-46 | Bronze Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Non-Ferrous | Bronze | 3" | 1/3 | $6,275.00 | Add to Cart | |
| 174034-043 | H-32 | Bronze Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Non-Ferrous | Bronze | Less Flgs | 1/6 | $2,470.00 | Add to Cart | |
| 174035-143 | H-41 | Bronze Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Non-Ferrous | Bronze | 1" | 1/6 | $3,030.00 | Add to Cart | |
| 106284-133 | S-55-1 | Bronze Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Non-Ferrous | Bronze | 3" | 1/2 1PH | $6,233.33 | Add to Cart | |
| 106284-137 | S-55-3 | Bronze Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Non-Ferrous | Bronze | 3" | 1/2 3PH | $6,233.33 | Add to Cart | |
| 106285-133 | S-57-1 | Bronze Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Non-Ferrous | Bronze | 3" | 3/4 1PH | $6,836.67 | Add to Cart | |
| 106285-137 | S-57-3 | Bronze Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Non-Ferrous | Bronze | 3" | 3/4 3PH | $6,836.67 | Add to Cart | |
| 116532-133 | S-69-1 | Bronze Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Brass-Stamped | Bronze | 3" | 1 1PH | $9,996.67 | Add to Cart | |
| 116536-137 | S-69-3 | Bronze Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Brass-Stamped | Bronze | 3" | 1 3PH | $9,996.67 | Add to Cart | |
| 110123-007 |
Astro 30 & 30B |
Bronze Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Bronze | $603.33 | Add to Cart | ||||
| 110123-008 |
Astro 50 & 50B |
Bronze Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Bronze | $568.33 | Add to Cart |
Armstrong H-51 to H-68 All-Bronze Inline Circulating Pumps offer corrosion-resistant performance for potable water, heating, and cooling systems. Their all-bronze construction ensures durability, while the compact inline design allows for efficient, quiet operation with minimal energy use. Ideal for long-lasting, reliable fluid circulation.
| Part # | Model # | Part Name |
Mechanical Seal Assembly |
Shaft | Impeller | Volute | Flg Size | Motor HP | Price | Qty | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 116432-133 | H-51 | Bronze Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Non-Ferrous | Bronze | 1" | 1/4 | $4,383.33 | Add to Cart | |
| 116436-133 | H-52 | Bronze Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Non-Ferrous | Bronze | 1-1/4" | 1/3 | $4,658.33 | Add to Cart | |
| 116440-133 | H-53 | Bronze Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Non-Ferrous | Bronze | 1-1/2" | 1/2 | $5,118.33 | Add to Cart | |
| 116452-133 | H-54 | Bronze Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Non-Ferrous | Bronze | 2" | 3/4 | $5,531.67 | Add to Cart | |
| 116464-133 | H-63 | Bronze Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Cast Bronze | Bronze | 1-1/2" | 1/2 | $7,178.33 | Add to Cart | |
| 116476-133 | H-64 | Bronze Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Cast Bronze | Bronze | 1-1/2" | 3/4 | $7,606.67 | Add to Cart | |
| 116488-133 | H-65 | Bronze Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Cast Bronze | Bronze | 1-1/2" | 1 | $8,366.67 | Add to Cart | |
| 116500-133 | H-66 | Bronze Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Cast Bronze | Bronze | 2" | 3/4 | $8,366.67 | Add to Cart | |
| 116512-133 | H-67 | Bronze Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Cast Bronze | Bronze | 2" | 1 | $9,223.33 | Add to Cart | |
| H-68 | Bronze Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Cast Bronze | Bronze | 2" | 1 1/2 | $12,850.00 | Add to Cart | ||
| 110119-101 | H-51 | Bronze Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Non-Ferrous | Bronze | 1" | 1/4 | $5,025.00 | Add to Cart | |
| 110119-103 | H-52 | Bronze Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Non-Ferrous | Bronze | 1-1/4" | 1/3 | $4,856.67 | Add to Cart | |
| 116444-137 | H-53 | Bronze Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Non-Ferrous | Bronze | 1-1/2" | 1/2 | $5,016.67 | Add to Cart | |
| 116456-137 | H-54 | Bronze Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Non-Ferrous | Bronze | 2" | 3/4 | $5,315.00 | Add to Cart | |
| 116468-137 | H-63 | Bronze Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Cast Bronze | Bronze | 1-1/2" | 1/2 | $7,100.00 | Add to Cart | |
| 116480-137 | H-64 | Bronze Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Cast Bronze | Bronze | 1-1/2" | 3/4 | $7,480.00 | Add to Cart | |
| 116492-137 | H-65 | Bronze Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Cast Bronze | Bronze | 1-1/2" | 1 | $8,080.00 | Add to Cart | |
| 116504-137 | H-66 | Bronze Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Cast Bronze | Bronze | 2" | 3/4 | $8,471.67 | Add to Cart | |
| 116516-137 | H-67 | Bronze Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Cast Bronze | Bronze | 2" | 1 | $8,775.00 | Add to Cart | |
| 116524-137 | H-68 | Bronze Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Cast Bronze | Bronze | 2" | 1 1/2 | $9,223.33 | Add to Cart |
Armstrong H-51 to H-68 Bronze-Fitted Inline Circulating Pumps combine a cast-iron body with bronze impellers for durability and corrosion resistance. Designed for efficient, quiet operation, they ensure reliable fluid circulation in heating, cooling, and potable water systems. Ideal for long-lasting performance with minimal maintenance.
| Part # | Model # | Part Name |
Mechanical Seal Assembly |
Shaft | Impeller | Volute | Flg Size | Motor HP | Price | Qty | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 116431-132 | H-51 | Iron Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Non-Ferrous | Cast Iron | 1" | 1/4 | $2,240.00 | Add to Cart | |
| 116435-132 | H-52 | Iron Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Non-Ferrous | Cast Iron | 1-1/4" | 1/3 | $2,425.00 | Add to Cart | |
| 116439-132 | H-53 | Iron Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Non-Ferrous | Cast Iron | 1-1/2" | 1/2 | $2,816.67 | Add to Cart | |
| 116451-132 | H-54 | Iron Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Non-Ferrous | Cast Iron | 2" | 3/4 | $3,033.33 | Add to Cart | |
| 116463-132 | H-63 | Iron Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Cast Bronze | Cast Iron | 1-1/2" | 1/2 | $3,465.00 | Add to Cart | |
| 116475-132 | H-64 | Iron Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Cast Bronze | Cast Iron | 1-1/2" | 3/4 | $3,955.00 | Add to Cart | |
| 116487-132 | H-65 | Iron Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Cast Bronze | Cast Iron | 1-1/2" | 1 | $4,663.33 | Add to Cart | |
| 116499-132 | H-66 | Iron Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Cast Bronze | Cast Iron | 2" | 3/4 | $4,885.00 | Add to Cart | |
| 116511-132 | H-67 | Iron Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Cast Bronze | Cast Iron | 2" | 1 | $5,036.67 | Add to Cart | |
| H-68 | Iron Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Cast Bronze | Cast Iron | 2" | 1 1/2 | $7,226.67 | Add to Cart | ||
| 110119-100 | H-51 | Iron Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Non-Ferrous | Cast Iron | 1" | 1/4 | $2,396.67 | Add to Cart | |
| 110119-102 | H-52 | Iron Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Non-Ferrous | Cast Iron | 1-1/4" | 1/3 | $2,495.00 | Add to Cart | |
| 116443-136 | H-53 | Iron Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Non-Ferrous | Cast Iron | 1-1/2" | 1/2 | $2,695.00 | Add to Cart | |
| 116455-136 | H-54 | Iron Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Non-Ferrous | Cast Iron | 2" | 3/4 | $2,846.67 | Add to Cart | |
| 116467-136 | H-63 | Iron Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Cast Bronze | Cast Iron | 1-1/2" | 1/2 | $3,395.00 | Add to Cart | |
| 116479-136 | H-64 | Iron Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Cast Bronze | Cast Iron | 1-1/2" | 3/4 | $3,726.67 | Add to Cart | |
| 116491-136 | H-65 | Iron Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Cast Bronze | Cast Iron | 1-1/2" | 1 | $4,278.33 | Add to Cart | |
| 116503-136 | H-66 | Iron Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Cast Bronze | Cast Iron | 2" | 3/4 | $4,278.33 | Add to Cart | |
| 116515-136 | H-67 | Iron Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Cast Bronze | Cast Iron | 2" | 1 | $4,628.33 | Add to Cart | |
| 116523-136 | H-68 | Iron Body Pump |
Carbon Brass Trim - Ceramic Seat |
Alloy Steel- Copper Sleeve |
Cast Bronze | Cast Iron | 2" | 1 1/2 | $4,890.00 | Add to Cart |
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