Welcome to the NEW and IMPROVED FirstSupply.com!

Serving the Midwest in HVAC, Plumbing, PVF, Well & Septic and Waterworks.

Family BrandsHelpLocations

Site Search

{0} items in cart

loading content

Refine Results

: 1/2 in(3)
3/4 in(1)
3/8 in(1)
: NPT(5)
: 3/4 in(1)
5/8 in(4)
: 300 PSIG(3)
400 PSIG(2)

Sight Glasses & Flow Sights

5 products

Sort

View

Per Page

content loaded

Apollo™ 2010103 20-100 Standard Water Gauge, 5/8 in Sight, 3/8 in NPT, 10 in, 300 psig

Apollo™ 2010103 20-100 Standard Water Gauge, 5/8 in Sight, 3/8 in NPT, 10 in, 300 psig

Item #CON20.101.03

MFG #2010103

Compare

Apollo™ 2015003 20-100 Standard Water Gauge, 5/8 in Sight, 1/2 in NPT, 12 in, 300 psig

Apollo™ 2015003 20-100 Standard Water Gauge, 5/8 in Sight, 1/2 in NPT, 12 in, 300 psig

Item #CON20.150.03

MFG #2015003

Compare

Apollo™ 2015100 20-100 Standard Water Gauge, 5/8 in Sight, 1/2 in NPT, 12 in, 300 psig

Apollo™ 2015100 20-100 Standard Water Gauge, 5/8 in Sight, 1/2 in NPT, 12 in, 300 psig

Item #CON2015100

MFG #2015100

Compare

Apollo™ 2025100 20-250 Heavy Pattern Water Gauge, 5/8 in Sight, 1/2 in NPT, 12 in, 400 psig

Apollo™ 2025100 20-250 Heavy Pattern Water Gauge, 5/8 in Sight, 1/2 in NPT, 12 in, 400 psig

Item #CON2025100

MFG #2025100

Compare

Apollo™ 2025300 20-250 Heavy Pattern Water Gauge, 3/4 in Sight, 3/4 in NPT, 16 in, 400 psig

Apollo™ 2025300 20-250 Heavy Pattern Water Gauge, 3/4 in Sight, 3/4 in NPT, 16 in, 400 psig

Item #CON2025300

MFG #2025300

Compare

First Mobile presents FirstSupply.com in a tile-based menu on your phone!

First InStock is our scannable label program makes it easy to stock your shop with First Supply!