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WATTS 0121522 LF174A-100 1-1/4 IP 100PSI PRESSURE RELIEF VALVE

MFR Part #: 0121522
SKU #: 3145337
Brand: WATTS®
UPC: 098268586220
WATTS® 0121522 LF174A Pressure Relief Valve, 1-1/4 in Nominal, 100 psi Pressure, Cast Copper Silicon Alloy Body
Limited
Pressure Protection of Hot Water Heating Boilers
ASME Section IV | MIL-V-18634B | PROP65: This product can expose you to chemicals including lead which is known to the State of California to cause cancer and birth defects or other reproductive harm.

WATTS®, 0121522, Pressure Relief Valve, Series: LF174A, 1-1/4 in Nominal, 100 psi Pressure, 250 deg F, Media: Water, Cast Copper Silicon Alloy Body, 4-1/4 in L x 8-1/2 in H Dimensions

This 1 1/4 inch lead free boiler pressure relief valve is used in hot water heating and domestic supply boiler applications to protect against excessive pressures on all types of hot water heating supply boiler equipment. It consists of a lead free body construction with NPT threaded female inlet and NPT threaded female outlet (drain) connections, non-metallic disc-to-metal seating, stainless steel spring, and test lever. It resists corrosive water conditions, sticking and freezing, and prevents water and sediment from being trapped in the seat. It is designed for emergency safety relief, not as an operating control. The pressure setting is 100 psi (689.5 kPa), with corresponding ratings of 4,399,000 BTU/hr.

Product Details

WATTS®, 0121522, Pressure Relief Valve, Series: LF174A, 1-1/4 in Nominal, 100 psi Pressure, 250 deg F, Media: Water, Cast Copper Silicon Alloy Body, 4-1/4 in L x 8-1/2 in H Dimensions

This 1 1/4 inch lead free boiler pressure relief valve is used in hot water heating and domestic supply boiler applications to protect against excessive pressures on all types of hot water heating supply boiler equipment. It consists of a lead free body construction with NPT threaded female inlet and NPT threaded female outlet (drain) connections, non-metallic disc-to-metal seating, stainless steel spring, and test lever. It resists corrosive water conditions, sticking and freezing, and prevents water and sediment from being trapped in the seat. It is designed for emergency safety relief, not as an operating control. The pressure setting is 100 psi (689.5 kPa), with corresponding ratings of 4,399,000 BTU/hr.

Attributes

Country Of Origin: US
Nominal Size: 1-1/4 in
Pressure Rating: 100 psi
Temperature Rating: 250 deg F

Features

  • Spring loaded
  • Non mechanical seat-to-disc alignment will not stick or freeze
  • Lead free body
  • Automatic reseating

Resources

7b45994427752ff42f26d9b55028489366f0fa8b_1079.pdf
8d7b5f325008fb249467d0fb62ae97e10cb4e204_1079.pdf
Instruction/Installation Manual
Specification Sheet