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Armstrong series S and H in-line circulators are suitable for applications such as hydronics heating and cooling, domestic water systems, multi-stage zoning and general industrial service. Both models are available in a wide range of sizes to match the performance requirements of any of these applications. Armstrong series S and H circulators are durable and trusted products that have been used by HVACs professionals for decades. Besides the existing sleeve bearing design, Armstrong now has introduced the 'maintenance free' design which has permanently lubricated ball bearings and require no maintenance at all.
ARMSTRONG AIR® Circulator Pump, S-45 Model, 115 V, 1/4 hp, 110 gpm, 1, 2-1/2 in, NPT, 125 psi Working, 16 ft Maximum Head, Inline Mount, Lead-Free Bronze Body, 225 deg F, 15-3/4 in W x 12 in H
| Body Material | : | Lead-Free Bronze |
| Connection Size | : | 2-1/2 in |
| Connection Type | : | NPT |
| Dimensions | : | 15-3/4 in W x 12 in H |
| Flow Rate | : | 110 gpm |
| HP Rating | : | 1/4 hp |
| Maximum Head | : | 16 ft |
| Model | : | S-45 |
| Mounting Type | : | Inline |
| Phase | : | 1 |
| Pressure Rating | : | 125 psi Working |
| Temperature Rating | : | 225 deg F |
| Voltage Rating | : | 115 V |
- Standard three-piece design
- Radially split body can be left in-line while servicing pump, eliminating disconnecting of pipes
- Oversized shaft made from special alloy steel
- Centrifugal impeller ensures maximum water delivery in the HVAC system
- Positive mechanical seal ARMseal construction ensures many years of noise-free, trouble-free service
- Modular construction - unique shaft and bearing module fits for ease of serviceability and reduced inventory costs
- Oil lubricated sleeve bearing
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