Sight Glasses & Moisture Indicators | Surplus Network

Steam Boiler Sight Gauge Glass(H.P.) 5/8" OD w/ 2 Gaskets, 3" to 16" Length

Steam Boiler Sight Gauge Glass(H.P.)...

$9.95 USD

Steam Boiler Sight Gauge Glass(H.P.)...

$9.95 USD

Sight Glass with Moisture Indicator Refrigeration & A/C Systems For 3/8" OD

Sight Glass with Moisture Indicator...

$9.95 USD

Sight Glass with Moisture Indicator...

$9.95 USD

'HEAVY-WALL w/RED LINE' Boiler Sight...

$32.50 USD

'HEAVY-WALL w/RED LINE' Boiler Sight...

$32.50 USD

HEAVY-WALL w/RED LINE for FULTON Boiler Sight Glass 5/8" OD x 9-1/2" L (H.P.)

HEAVY-WALL w/RED LINE for FULTON...

$32.50 USD

HEAVY-WALL w/RED LINE for FULTON...

$32.50 USD

'RED LINE' Boiler Sight Gauge Glass...

$22.50 USD

'RED LINE' Boiler Sight Gauge Glass...

$22.50 USD

[20-PK] Plumbing HVAC Boiler Gauge Sight Glass EPDM Rubber Gaskets 5/8" ID

[20-PK] Plumbing HVAC Boiler Gauge...

$21.75 USD

[20-PK] Plumbing HVAC Boiler Gauge...

$21.75 USD

[20-PK] Sight Glass Gasket F/Boiler, Return Tank, Jewelry Steamer(5/8"OD Glass)

[20-PK] Sight Glass Gasket F/Boiler,...

$21.75 USD

[20-PK] Sight Glass Gasket F/Boiler,...

$21.75 USD

Steamer Sight Glass Parts 5/8" ID Gaskets, Washers, Nuts Steam Service Repair

Steamer Sight Glass Parts 5/8" ID...

$17.50 USD

Steamer Sight Glass Parts 5/8" ID...

$17.50 USD

13-1/2" Boiler Sight Glass 5/8" OD for High Pressure Steam Service, Borosilicate

13-1/2" Boiler Sight Glass 5/8" OD...

$17.50 USD

13-1/2" Boiler Sight Glass 5/8" OD...

$17.50 USD

Gauge Glass Kit 5/8" x 7-3/8" For WEIL-McLAIN w/ Gaskets & Washers #383-600-000

Gauge Glass Kit 5/8" x 7-3/8" For...

$26.50 USD

Gauge Glass Kit 5/8" x 7-3/8" For...

$26.50 USD

WEIL-McLAIN Gauge Glass Kit 5/8" x 8-5/8" w/ 2 Washers & 2 Gaskets #591-419-194

WEIL-McLAIN Gauge Glass Kit 5/8" x...

$26.50 USD

WEIL-McLAIN Gauge Glass Kit 5/8" x...

$26.50 USD

GLASS KIT FOR WEIL MCLAIN 383-600-002 5/8 X 10 5/8" FOR MGB LGB 76-94 BOILERS

GLASS KIT FOR WEIL MCLAIN 383-600-002...

$26.50 USD

GLASS KIT FOR WEIL MCLAIN 383-600-002...

$26.50 USD

(6-PK) VITON Gaskets for Boiler Sight Gauge Glass, 5/8" ID, Steamer up to 428 ºF

(6-PK) VITON Gaskets for Boiler Sight...

$29.75 USD

(6-PK) VITON Gaskets for Boiler Sight...

$29.75 USD

(2-PK)

(2-PK) 'GRAPHITE' SIGHT GLASS GASKET...

$19.75 USD

(2-PK) 'GRAPHITE' SIGHT GLASS GASKET...

$19.75 USD

0.01mm/0.0005" Range 0-12,7 mm/1" Gauge Digital Dial indicator Precision Tool

0.01mm/0.0005" Range 0-12,7 mm/1"...

$23.97 USD

0.01mm/0.0005" Range 0-12,7 mm/1"...

$23.97 USD

Duran "Redline" 10-3/4" x 5/8" High Pressure Gauge Glass 47799315 [Lot of 2] NOS

Duran "Redline" 10-3/4" x 5/8" High...

$39.32 USD

Duran "Redline" 10-3/4" x 5/8" High...

$39.32 USD

Steamer Parts Sight Glass Gaskets and Washers 5/8" ID Steam Replacement Repair

Steamer Parts Sight Glass Gaskets and...

$8.60 USD

Steamer Parts Sight Glass Gaskets and...

$8.60 USD

Steamer Sight Glass Metal Washers (Zinc Plated) 5/8" ID Friction Rings (12-PK)

Steamer Sight Glass Metal Washers...

$14.95 USD

Steamer Sight Glass Metal Washers...

$14.95 USD

7-3/8" Sight Glass 5/8" OD x 7-3/8" for WEIL McLAIN EGH, EG, 68, LGB Boilers

7-3/8" Sight Glass 5/8" OD x 7-3/8"...

$14.95 USD

7-3/8" Sight Glass 5/8" OD x 7-3/8"...

$14.95 USD

'HEAVY-WALL' (5.56 mm) Boiler Sight...

$24.50 USD

'HEAVY-WALL' (5.56 mm) Boiler Sight...

$24.50 USD

DUCO® 10" Red Line Boiler Sight Gauge Glass (5/8" OD) for High-Pressure Steam

DUCO® 10" Red Line Boiler Sight...

$24.50 USD

DUCO® 10" Red Line Boiler Sight...

$24.50 USD

DUCO® Red Line Boiler Sight Gauge Glass (5/8" OD x 10-1/2" L) for High-Pressure

DUCO® Red Line Boiler Sight Gauge...

$24.50 USD

DUCO® Red Line Boiler Sight Gauge...

$24.50 USD

10" L x 5/8" OD Red Line Boiler Sight Gauge Glass F/ High-Pressure Steam Service

10" L x 5/8" OD Red Line Boiler Sight...

$24.50 USD

10" L x 5/8" OD Red Line Boiler Sight...

$24.50 USD

FULTON Boiler HEAVY-WALL(Thickness 7/32"=5.56 mm) 5/8" OD x 10-1/4" Sight Glass

FULTON Boiler HEAVY-WALL(Thickness...

$24.50 USD

FULTON Boiler HEAVY-WALL(Thickness...

$24.50 USD

FULTON Boiler Heavy-Wall (5+ mm Wall Thickness) 5/8" OD x 9-1/4" Sight Glass

FULTON Boiler Heavy-Wall (5+ mm Wall...

$24.50 USD

FULTON Boiler Heavy-Wall (5+ mm Wall...

$24.50 USD

'RED-LINE' 5/8" OD x 12" High...

$24.50 USD

'RED-LINE' 5/8" OD x 12" High...

$24.50 USD

DUCO® Red Line Boiler Sight Gauge Glass (5/8" OD x 9-1/2" L) for High-Pressure

DUCO® Red Line Boiler Sight Gauge...

$24.50 USD

DUCO® Red Line Boiler Sight Gauge...

$24.50 USD

12" Heavy-Wall (Wall Thickness: 7/32"=5.56 mm) Boiler Sight Glass, 5/8" OD

12" Heavy-Wall (Wall Thickness:...

$24.50 USD

12" Heavy-Wall (Wall Thickness:...

$24.50 USD

COLUMBIA Boiler HEAVY-WALL(7/32"=5.56 mm), 5/8" OD x 10-1/4" Sight Glass

COLUMBIA Boiler HEAVY-WALL(7/32"=5.56...

$24.50 USD

COLUMBIA Boiler HEAVY-WALL(7/32"=5.56...

$24.50 USD

DUCO® Red Line Boiler Sight Gauge Glass (5/8" OD x 10-3/4" L) for High-Pressure

DUCO® Red Line Boiler Sight Gauge...

$24.50 USD

DUCO® Red Line Boiler Sight Gauge...

$24.50 USD

[2-PK] Premium TEFLON Jewelry Steamer Sight Glass Gasket for 5/8" OD Glass

[2-PK] Premium TEFLON Jewelry Steamer...

$13.75 USD

[2-PK] Premium TEFLON Jewelry Steamer...

$13.75 USD

10" Boiler Borosilicate Tubing Hi-Pressure Tempered Sight-Glass 5/8"OD w/Gaskets

10" Boiler Borosilicate Tubing...

$13.75 USD

10" Boiler Borosilicate Tubing...

$13.75 USD

TEF-LON GAGE GAUGE BOILER SIGHT-GLASS PTFE GASKET WASHERS SET - WILL NEVER LEAK

TEF-LON GAGE GAUGE BOILER SIGHT-GLASS...

$13.75 USD

TEF-LON GAGE GAUGE BOILER SIGHT-GLASS...

$13.75 USD

Steamer Sight Glass 10.5" Tube Replacement Boiler Water Level Gauge w/2 Washers

Steamer Sight Glass 10.5" Tube...

$14.85 USD

Steamer Sight Glass 10.5" Tube...

$14.85 USD

Sporlan See-All Moisture & Liquid Indicator 1-1/8" ODF Solder SA-19S

Sporlan See-All Moisture & Liquid...

$15.95 USD

Sporlan See-All Moisture & Liquid...

$15.95 USD

[4-PK] GROEN Part# Z002019, SOLID BRASS Washer 5/8" ID, Friction Rings

[4-PK] GROEN Part# Z002019, SOLID...

$12.95 USD

[4-PK] GROEN Part# Z002019, SOLID...

$12.95 USD

[4-PK] High Quality SOLID BRASS Friction Rings 5/8" ID for 5/8" Sight Glass

[4-PK] High Quality SOLID BRASS...

$12.95 USD

[4-PK] High Quality SOLID BRASS...

$12.95 USD

16" Hi-Pressure Borosilicate Boiler Sight Glass/Gauge Glass 3/4" OD x 16" Length

16" Hi-Pressure Borosilicate Boiler...

$28.00 USD

16" Hi-Pressure Borosilicate Boiler...

$28.00 USD

Industrial Brass Packing Nut for Steam Boiler Sight Glass (5/8" OD)- (4 PK)

Industrial Brass Packing Nut for...

$17.95 USD

Industrial Brass Packing Nut for...

$17.95 USD

Brass Packing Nut for Jewelry Steamer Sight Glass (5/8" OD)- (4 PK)

Brass Packing Nut for Jewelry Steamer...

$17.95 USD

Brass Packing Nut for Jewelry Steamer...

$17.95 USD

12" L Boiler High-Pressure Tubing Glass Sight-Glass w/ Rubber Gaskets - 5/8" OD

12" L Boiler High-Pressure Tubing...

$13.48 USD

12" L Boiler High-Pressure Tubing...

$13.48 USD

Alco Controls AMI-1SS2 Moisture/Liquid Indicator 1/4" ODF

Alco Controls AMI-1SS2...

$12.99 USD

Alco Controls AMI-1SS2...

$12.99 USD

0.01mm/0.0005" Range 0-12,7 mm/1" Gauge Digital Dial indicator Precision Tool

0.01mm/0.0005" Range 0-12,7 mm/1"...

$21.98 USD

0.01mm/0.0005" Range 0-12,7 mm/1"...

$21.98 USD

Sight Glass Moisture Indication 3/8" O.D. Cooper Line Fitting Refrigeration AC

Sight Glass Moisture Indication 3/8"...

$16.99 USD

Sight Glass Moisture Indication 3/8"...

$16.99 USD

Ranco RSG-2S Refrigerant Line Sight Glass 1/4 in sweat

Ranco RSG-2S Refrigerant Line Sight...

$16.59 USD

Ranco RSG-2S Refrigerant Line Sight...

$16.59 USD

Zoro Select 6Awu2 Sight Glass,1/4 X 1/4 Sweat

Zoro Select 6Awu2 Sight Glass,1/4 X...

$13.49 USD

Zoro Select 6Awu2 Sight Glass,1/4 X...

$13.49 USD

Emerson HMI-1TT3 3/8" Liquid Moisture...

$17.99 USD

Emerson HMI-1TT3 3/8" Liquid Moisture...

$17.99 USD

Sporlan SA-17S , 7/8 ODF Solder Moisture/Liquid Indicator

Sporlan SA-17S , 7/8 ODF Solder...

$19.00 USD

Sporlan SA-17S , 7/8 ODF Solder...

$19.00 USD

Ranco RSG-3S Refrigerant Line Sight Glass 3/8 in sweat

Ranco RSG-3S Refrigerant Line Sight...

$22.68 USD

Ranco RSG-3S Refrigerant Line Sight...

$22.68 USD

Lot of 2 NEW 1097 Sight Glass Fitting

Lot of 2 NEW 1097 Sight Glass Fitting

$9.99 USD

Lot of 2 NEW 1097 Sight Glass Fitting

$9.99 USD

Pyrex 14-1/2" x 5/8" High Pressure Gauge Glass [Lot of 3] NOS

Pyrex 14-1/2" x 5/8" High Pressure...

$41.58 USD

Pyrex 14-1/2" x 5/8" High Pressure...

$41.58 USD

Sight Glass Water Gauge Tube 10-3/4" Long x 5/8" OD for Steam Boiler

Sight Glass Water Gauge Tube 10-3/4"...

$16.50 USD

Sight Glass Water Gauge Tube 10-3/4"...

$16.50 USD

Sight Glass Water Gauge Tube 10-5/8" Long x 5/8" OD for Steam Boiler

Sight Glass Water Gauge Tube 10-5/8"...

$16.50 USD

Sight Glass Water Gauge Tube 10-5/8"...

$16.50 USD

14" Boiler Tubing Tempered Borosilicate Sight Glass 5/8" OD w/ 2 Gaskets

14" Boiler Tubing Tempered...

$22.00 USD

14" Boiler Tubing Tempered...

$22.00 USD

6-1/2" Boiler Borosilicate Tubing Tempered High-Pressure Sight-Glass 5/8" OD

6-1/2" Boiler Borosilicate Tubing...

$11.95 USD

6-1/2" Boiler Borosilicate Tubing...

$11.95 USD

DUCO® HEAVY-WALL w/RED LINE Boiler Sight Gauge Glass 5/8" OD x 10-3/8" L (H.P.)

DUCO® HEAVY-WALL w/RED LINE Boiler...

$34.50 USD

DUCO® HEAVY-WALL w/RED LINE Boiler...

$34.50 USD

DUCO® 12" (HEAVY-WALL w/RED LINE) Boiler Sight Gauge Glass 5/8" OD (H.P.)

DUCO® 12" (HEAVY-WALL w/RED LINE)...

$37.50 USD

DUCO® 12" (HEAVY-WALL w/RED LINE)...

$37.50 USD

6-1/4" Boiler/Steamer Sight Glass (5/8" OD) for High-Pressure w/ 2 EPDM Gaskets

6-1/4" Boiler/Steamer Sight Glass...

$13.95 USD

6-1/4" Boiler/Steamer Sight Glass...

$13.95 USD

6-3/4" Boiler/Steamer Sight Glass (5/8" OD) for High-Pressure w/ 2 EPDM Gaskets

6-3/4" Boiler/Steamer Sight Glass...

$13.95 USD

6-3/4" Boiler/Steamer Sight Glass...

$13.95 USD

15" Hi-Pressure Borosilicate Boiler Sight Glass/Gauge Glass 5/8" OD x 15" Length

15" Hi-Pressure Borosilicate Boiler...

$25.00 USD

15" Hi-Pressure Borosilicate Boiler...

$25.00 USD

4-7/8" Boiler/Steamer Sight Glass, 5/8" OD, Borosilicate 3.3 Glass,High-Pressure

4-7/8" Boiler/Steamer Sight Glass,...

$13.25 USD

4-7/8" Boiler/Steamer Sight Glass,...

$13.25 USD

MARKET FORGE 1042677 Gauge Glass 6" x 5/8" OD Heavy Wall Borosilicate Tubing

MARKET FORGE 1042677 Gauge Glass 6"...

$13.25 USD

MARKET FORGE 1042677 Gauge Glass 6"...

$13.25 USD

DUCO® Red Line Boiler Sight Gauge Glass (5/8" OD x 14" L) for High-Pressure

DUCO® Red Line Boiler Sight Gauge...

$29.50 USD

DUCO® Red Line Boiler Sight Gauge...

$29.50 USD

5" x 5/8" OD High Pressure Borosilicate Tubing Sight Gauge Glass w/ 2 Gaskets

5" x 5/8" OD High Pressure...

$10.95 USD

5" x 5/8" OD High Pressure...

$10.95 USD

11-1/2" Boiler Borosilicate Tubing Tempered Gauge Sight-Glass 5/8"OD w/2 Gaskets

11-1/2" Boiler Borosilicate Tubing...

$16.95 USD

11-1/2" Boiler Borosilicate Tubing...

$16.95 USD

12" PARKER Steam Boiler Borosilicate Tubing Tempered Sight-Glass 5/8" OD

12" PARKER Steam Boiler Borosilicate...

$16.95 USD

12" PARKER Steam Boiler Borosilicate...

$16.95 USD

Plumbing HVAC 5/8" x 12" Boiler Furnace Gauge Site Sight Glass w/ 2 Gaskets

Plumbing HVAC 5/8" x 12" Boiler...

$16.95 USD

Plumbing HVAC 5/8" x 12" Boiler...

$16.95 USD

12" Boiler High-Pressure Tubing Tempered Borosilicate Gauge Sight-Glass 5/8" OD

12" Boiler High-Pressure Tubing...

$16.95 USD

12" Boiler High-Pressure Tubing...

$16.95 USD

11" Sight Glass For Boilers & Steamers Sight Glass 5/8" OD + 2 Gaskets

11" Sight Glass For Boilers &...

$16.75 USD

11" Sight Glass For Boilers &...

$16.75 USD

DUCO® Red Line Boiler Sight Gauge Glass (5/8" OD x 8-1/2" L) for High-Pressure

DUCO® Red Line Boiler Sight Gauge...

$23.50 USD

DUCO® Red Line Boiler Sight Gauge...

$23.50 USD

DUCO® Red Line Boiler Sight Gauge Glass (5/8" OD x 7-3/4" L) for High-Pressure

DUCO® Red Line Boiler Sight Gauge...

$23.50 USD

DUCO® Red Line Boiler Sight Gauge...

$23.50 USD

9-1/4" Fulton Boiler Borosilicate Tubing Tempered Sight-Glass 5/8" OD #2-12-017

9-1/4" Fulton Boiler Borosilicate...

$11.50 USD

9-1/4" Fulton Boiler Borosilicate...

$11.50 USD

9-1/4" Boiler Borosilicate Tubing Tempered Hi-Pressure Gauge Sight-Glass 5/8" OD

9-1/4" Boiler Borosilicate Tubing...

$11.50 USD

9-1/4" Boiler Borosilicate Tubing...

$11.50 USD