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- Single non-adjustable port
- For small steam systems
- Telescopic siphon tube with angle cut assures drainage
- Maximum operating pressure 6 psig (0.4 bar)*
- Maximum pressure 10 psig (0.7 bar)
| Weight | 0.4 lbs |
|---|---|
| Size | 1/8" |
| Brand |
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SKU:5329Caleffi 3 Zone Expandable Switching Relay w/ Priority (ZSR103)
$204.26Add to cartThe ZSR series is a zone pump and boiler operating control for multiple zone hydronic heating systems. The ZSR series interfaces with low voltage thermostats, or any other low voltage controllers having a switching action.
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SKU:3309Hoffman #40, 1/8″ Radiator Steam Air Valve
$39.64Add to cartFloat-type vent For ordinary one-pipe system that doesn’t require proportional venting Single non-adjustable port 1⁄8″ NPT angle connection Maximum operating pressure 6 psig (0.4 bar) Maximum pressure 10 psig (0.7 bar) 0/5 (0 Reviews)
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SKU:53354 Zone Expandable Switching Relay w/ Priority (ZSR104)
$259.91Add to cartThe ZSR series is a zone pump and boiler operating control for multiple zone hydronic heating systems. The ZSR series interfaces with low voltage thermostats, or any other low voltage controllers having a switching action.
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