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APOLLO Expansion Tank Gauge: Bronze, 5/8 in Gauge Glass Dia, 10 in Gauge Glass Lg - Tube-Style Sight Glasses for Expansion Tanks
APOLLOTube-Style Sight Glasses for Expansion Tanks

APOLLO Expansion Tank Gauge: Bronze, 5/8 in Gauge Glass Dia, 10 in Gauge Glass Lg

The APOLLO Expansion Tank Gauge: Bronze (MPN 2070300) is a tube-style sight glass for expansion tanks, featuring a 5/8 in gauge glass diameter and 10 in gauge glass length. It includes a needle drain valve and EPDM…

SKU 3G-OTH-91777

Brand
APOLLO
Item
Expansion Tank Gauge: Bronze, 5/8 in Gauge Glass Dia, 10 in Gauge Glass Lg
Category
Tube-Style Sight Glasses for Expansion Tanks
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Technical Specifications

APOLLO
Manufacturer Part Number
2070300
Type
EPDM
NPT
3/8 in
Glass Lg
10 in Gauge
Glass Dia
5/8 in Gauge
Valve Type
Needle Drain
Gasket Material
EPDM
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APOLLO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The APOLLO Expansion Tank Gauge: Bronze (MPN 2070300) is a tube-style sight glass for expansion tanks, featuring a 5/8 in gauge glass diameter and 10 in gauge glass length. It includes a needle drain valve and EPDM gasket material, with a 3/8 in NPT connection.

Frequently Asked Questions

What is the APOLLO Expansion Tank Gauge used for?

The APOLLO Expansion Tank Gauge (MPN 2070300) is a tube-style sight glass used to visually monitor fluid levels in expansion tanks within hydronic heating and cooling systems. It helps maintenance personnel quickly verify proper water levels, preventing air ingress and system damage.

What are the specifications of the APOLLO Expansion Tank Gauge?

The APOLLO Expansion Tank Gauge features a bronze body, 5/8 in gauge glass diameter, 10 in gauge glass length, EPDM gasket material, and a 3/8 in NPT connection. It includes a needle drain valve for servicing. The manufacturer part number is 2070300.

Where to buy the APOLLO Expansion Tank Gauge worldwide?

3G Electric supplies the APOLLO Expansion Tank Gauge (MPN 2070300) worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.

How to install the APOLLO Expansion Tank Gauge?

Install the APOLLO Expansion Tank Gauge by threading the 3/8 in NPT connection into the tank port. Use thread sealant on the male threads. Open the needle drain valve to purge air, then close it. Ensure the EPDM gasket seals properly to prevent leaks.

Used in

Common applications for APOLLO
Water supply systems — APOLLO double check valve backflow preventers (Series 4A) for backflow protection in commercial buildings.
HVAC piping — APOLLO bronze ball valves (two-piece, FNPT) for shut-off and isolation in heating and cooling loops.
Irrigation networks — APOLLO double check valve assemblies (bronze, FNPT) to prevent contamination of potable water sources.
Process piping — APOLLO three-piece ball valves (full-port, sweat connections) for maintenance-friendly flow control in industrial lines.
Safety systems — APOLLO spring-return lever ball valves (bronze, FNPT) for fail-safe shut-off in fuel or gas applications.
Plumbing repairs — APOLLO repair kits (complete check kits) for servicing backflow preventers in existing installations.

APOLLO Products

3G Electric supplies APOLLO tube-style sight glasses for expansion tanks. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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