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The RLS 3781141400111 Sight Glass is a 7/8" refrigerant copper press sight glass designed for HVAC and refrigeration systems. This ODM product provides a permanent and reliable mechanical connection without brazing, offering time and cost savings. It is fully registered and listed to UL 207 for pressures up to 700 PSI and operates up to 250 degrees Fahrenheit. This fitting ensures a leak-proof and repeatable joint.
Durable copper press sight glass for HVAC/R systems, offering braze-free, high-pressure connections.
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.
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