374A-030 3/4″ Boiler Relief Valve
As thermal expansion conditions develop, pressure builds up to the setting of the relief valve. This will cause discharging of small quantity of water.
Should operating controls fail, permitting runaway firing, the boiler water may reach steam temperatures. The valve will then open to discharge steam at the rate or faster than the boiler can generate it, thus restoring system pressure to a safer level.
Watts 0358553 Features:
Iron body with forged bronze inlet, 550,000 BTU/hr rating.
Seat located above drain; water can’t be trapped and sediment can’t foul seat
Non-mechanical seat-to-disc alignment will not stick or freeze
Water seal of high temperature resisting material isolates spring working parts from water during relief
Watts 0358553 Specifications:
Height: 3-5/8″
Length: 2-1/2″
Material: Bronze
Connection Size: 3/4″
Weight: 1.1 lbs.
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Watts 374A Collection
Specifications
| Height | 3.625 in. |
| Product Weight | 1.1 lbs. |
| Length | 2.5 in. |
| Water Connection | 3/4" |
| Material | Bronze |
| Lead Leaching Certified NSF/ANSI 61 | N/A (Regulation does not apply) |
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