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Series LFDPTG-3Center Back Entry CombinationPressure/Temperature Gauges

Dial Sizes: 21/2" and 3" (65 and 80mm)Series LFDPTG-3 Combination Pressure and TemperatureGauges are used in commercial, residential, and institutionalHVAC applications. These gauges are center back entry typemodels with black enamel steel cases, Kostil Polymer windows,1/2" NPT connections, copper alloy Bourdon tubepressure elements, and bimetal spiral springs. The LFDPTG-3features Lead Free* construction to comply with Lead Free*installation requirements. Accuracy is ASME, Type B. SeriesLFDPG-5 gauges are available in various pressure rating scales.

The dual scale features PSI and kPa measurements.

Features

Black enamel steel case

Kostil polymer window

Copper alloy Bourdon pressure element

Bimetal spiral spring temperature element

Tin alloy welding

1/2" Lead Free Brass NPT connection

ASME Type "B" accuracy

ModelsLFDPTG-3- Center back entryLFDPTG-3A- Center back entry with extended

temperature element

LFDPTG-3L- Center back entry with extended mounting nut

ApprovalsCertified by The Northern Certification Society of Italy

(Det Norske Verita Italia S.r.l.)

StandardsASME B40.100

TemperatureWorking Temperature:60F 320F (20C 160C)

For Hydronic Boiler & HVAC Applications

ES-LFDPTG-3

Job Name Contractor

Job Location Approval

Engineer Contractors P.O. No.

Approval Representative

MaterialsCase: Black enamel steel

Window: Kostil polymer

Pressure Element: Copper alloy Bourdon tube

Temperature Element: Bimetal spiral spring

Welding: Tin alloy

Connector: Lead Free Brass

3" (80 mm) LFDPTG3 21/2" (65 mm)Dial Dial

Watts product specifications in U.S. customary units and metric are approximate and are provided for reference only. For precise measurements,

please contact Watts Technical Service. Watts reserves the right to change or modify product design, construction, specifications, or materials with-

out prior notice and without incurring any obligation to make such changes and modifications on Watts products previously or subsequently sold.

LEAD FREE*

*The wetted surface of this product contacted by consumablewater contains less than 0.25% of lead by weight.

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Dimensions Weights

B

C DA

Center Back MountDPTG3

1/2" DPG-VR retaining valveincluded with gauge as indicated in table.

1/4" 18 NPT

1/2" 14 NPT

ES-LFDPTG-3 1329 2013 Watts

USA:Tel: (978) 688-1811 Fax: (978) 794-1848 www.watts.com

Canada:Tel: (905) 332-4090 Fax: (905) 332-7068 www.watts.ca

A Watts Water Technologies Company

MODEL SCALE TEMP. RANGE INCLUDES VR SIZE DIMENSIONS WEIGHTS

RETAINING VALVE

A B C D

F C in. in. mm in. mm in. mm in. mm lbs. kgs.

LFDPTG3-212 0 50psi 340 kPa 60 320 15-160 Y 12 212 64 1 25 11516 49 78 23 .5 13

LFDPTG3-212 0 75psi 520 kPa 60 320 15-160 Y 12 212 64 1 25 11516 49 78 23 .5 13

LFDPTG3-212 0 200psi 1379 kPa 60 320 15-160 Y 12 212 64 1 25 11516 49 78 23 .5 13

LFDPTG3-212 0 75psi 520 kPa 60 320 15-160 N 14 212 64 1 25 11516 49 78 23 .5 13

LFDPTG3-3 0 50psi 340 kPa 60 320 15-160 Y 12 3 76 1 25 11516 49 78 23 .5 13

LFDPTG3-3 0 200psi 1379 kPa 60 320 15-160 Y 12 3 76 1 25 11516 49 78 23 .5 13

LFDPTG3A-2120 75psi 520 kPa 60 320 15-160 N 14 212 64 1 25 11516 49 2 51 .5 13LFDPTG3A-3 0 75psi 520 kPa 60 320 15-160 N 14 3 76 1 25 11516 49 2 51 .5 13

LFDPTG3L-2120 75psi 520 kPa 60 320 15-160 N 14 212 64 2 51 31516 100 1 25 .5 13

LFDPTG3L-3 0 75psi 520 kPa 60 320 15-160 N 14 3 76 2 51 31516 100 1 25 .5 13

LEA

D

FREE*