©Johnstone Supply eCatalog 216

HYDRONICS Gauges

Liquid-Filled Severe Service Gauges • Liquid-filled severe service gauges are designed to perform in rugged applications and harsh environmental conditions, especially where pulsation and vibration are a problem • Liquid-filled gauges offer a significant

Specifications: • Accuracy: 2-1/2" gauges are A.N.S.I. grade B; ±1.6% of range across middle half of scale, 4" gauges are A.N.S.I. grade A; ±1% of range across middle half of scale • Temperature limits: ambient temperature and temperature of operating medium should not exceed 150°F; for higher temperatures other fill mediums are available Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

cushioning and dampening effect, reducing pointer flutter and internal gauge damage • Lower stem mount in 1/4" NPT • Stainless steel case with crimped front ring • Hermetically sealed and glycerin-filled • Brass socket with phosphor bronze bourdon tubes

Each

Each

Order #

Mfg. #

Type

Range

Order #

Mfg. #

Type

Range

L38-637

L47-697

LF251-VAC-4L 2-1/2" Round

0 to 30" Hg/Bar (Vacuum) 0 to 15 PSI/Bar 0 to 30 PSI/Bar 0 to 60 PSI/Bar 0 to 100 PSI/Bar 0 to 160 PSI/Bar 0 to 200 PSI/Bar 0 to 300 PSI/Bar 0 to 400 PSI/Bar 0 to 600 PSI/Bar

59.00

LF441-VAC-4L 4" Round

0 to 30" Hg/Bar (Vacuum) 0 to 15 PSI/Bar 0 to 30 PSI/Bar 0 to 60 PSI/Bar 0 to 100 PSI/Bar 0 to 160 PSI/Bar 0 to 200 PSI/Bar 0 to 300 PSI/Bar 0 to 400 PSI/Bar 0 to 600 PSI/Bar

95.00

L38-639 L38-640 L38-641 L38-642 L38-643 L38-644 L38-645 L38-646 L38-647

L47-698 L47-699 L47-700 L47-701 L47-702 L47-703 L47-704 L47-705 L47-706

LF251-015-4L 2-1/2" Round LF251-030-4L 2-1/2" Round LF251-060-4L 2-1/2" Round LF251-100-4L 2-1/2" Round LF251-160-4L 2-1/2" Round LF251-200-4L 2-1/2" Round LF251-300-4L 2-1/2" Round LF251-400-4L 2-1/2" Round LF251-600-4L 2-1/2" Round

55.00 55.00 55.00 55.00 55.00 55.00 55.00 55.00 55.00

LF441-015-4L 4" Round LF441-030-4L 4" Round LF441-060-4L 4" Round LF441-100-4L 4" Round LF441-160-4L 4" Round LF441-200-4L 4" Round LF441-300-4L 4" Round LF441-400-4L 4" Round LF441-600-4L 4" Round

95.00 95.00 95.00 95.00 95.00 95.00 95.00 95.00 95.00

Tri-O-Meter Boiler Gauges • Specifically designed for hot water heating system boilers • Indicates water pressure in PSI and kPA, and temperature in °F and °C • Available in both bottom mount and back mount square and round styles Specifications: • Temperature range: 60°F to 260°F

• Pressure accuracy: ±3-2-3% full scale per A.N.S.I. B40.1 grade B • Temperature accuracy: ±3% full scale per A.N.S.I. B40.1 grade B Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Each

Fig. Order #

Mfg. #

Type

PSI

Conn.

L39-654 L39-655 L39-656 L39-657

A A B B

CTP25RX CTP25R CTP40RSX

2.5" Round 2.5" Round 4.0" Square 4.0" Square

0 to 75 0 to 75 0 to 75 0 to 75

1/4" NPT, Back w/2" Extension

85.00 85.00

1/4" NPT, Back 1/2" NPT, Back 1/2" NPT, Bottom

A

B

129.00 149.00

CTP40L

Commercial Pressure Gauges • 4-1/2" stainless steel case gauge designed for heating, cooling and A/C applications • Lower stem mount in 1/4" NPT • Brass socket with phosphor bronze bourdon tubes

• A.N.S.I. grade 1A; ±1% full scale accuracy Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Each

Each

Order #

Mfg. #

PSI

Order #

Mfg. #

PSI

L41-715 L41-716 L41-717

L41-718 L41-719

4CTS-030 0 to 30 4CTS-060 0 to 60 4CTS-100 0 to 100

42.49 42.49 42.49

4CTS-160 0 to 160 4CTS-200 0 to 200

42.49 42.49

Hot Water Bi-Metal Dial Thermometer • Ideal for general heating applications including small pipelines • 2-1/2" dial size with both °F/°C • Measures 32°F to 250°F

• Center back connection in 1/2" NPT Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Each

Order #

Mfg. #

L41-720

HWBM25

32.49

533

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