Search
-
HVAC Equipment
-
Ductless Mini Splits
- Ductless Mini Splits
- Shop By Zone
- Shop by BTU
- Shop By Brand
- Components
- Accessories
-
HVAC Parts & Supplies
- HVAC Parts & Supplies
- HVAC Supplies
- HVAC Tools
-
HVAC Replacement Parts
- Blower Housing & Assemblies
- Blower Wheels
- Breakers, Contactors & Disconnects
- Capacitors & Transformers
- Control & Circuit Boards
- Filter Driers & Accumulators
- Gas Valves & Conversion Kits
- Heat Exchangers
- Thermal Expansion Valves (TXV)
- Temperature Controls
- Wall Brackets & Parts
- Miscellaneous Parts
- O-Rings & Gaskets
- Hydronics
- Motors
- Thermostats & Zoning
-
Plumbing
-
Pool
-
Electrical
-
Air Quality
-
Tools & Supplies
-
Door Security & Hardware
Lennox 73W21 Sight Glass
Availability:
Out Of Stock
- Call for Pricing Call for pricing (215) 326-9845
- Call for Pricing Call for pricing (215) 326-9845
- Unit price
- / per
✓
Better Price in Cart
Manufacturer pricing rules prevent us from advertising our discount — no account or email required to see it.
-
Secure Payments
-
Easy Returns
-
Expert Advice
-
Fast Shipping
Product Description
The Lennox 73W21 Sight Glass is designed for detailed monitoring within HVAC systems. Manufactured by Lennox, this product ensures reliability and durability.
- Optimal compatibility with HVACR service parts.
- Lightweight design, weighing just 0.1 pounds.
- Engineered for ease of installation and maintenance.
Product Highlights
This sight glass enables technicians to easily observe and diagnose the internal conditions of a system without extensive system intrusion, contributing to efficient maintenance and troubleshooting.
Product Information
Technical Specifications
Complete your install
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
Loading install accessories...
Add install kit to cart
—
Related Products
- Choosing a selection results in a full page refresh.