York S1-700091 Sight Glass
The York S1-700091 Sight Glass is a critical diagnostic component for commercial and residential refrigeration systems, functioning as a high-precision moisture indicator and liquid line monitor. Engineered as a direct OEM replacement for York, Luxaire, and Coleman equipment, this 3/8 SAE sight glass features a 3/8" Female x Male flare connection for secure integration into the liquid line. The SA-13FM See-All design provides a wide-angle viewing crystal that allows technicians to verify a solid column of liquid refrigerant before the expansion valve, ensuring optimal heat transfer and system efficiency.
A built-in refrigerant moisture indicator utilizes a chemically treated element that reacts specifically to PPM levels of water. A clear dark green indicator confirms a dry, contaminant-free system, while a transition to bright yellow signals elevated moisture saturation, necessitating a filter-drier replacement to prevent acid formation and compressor damage. This bi-directional moisture indicator is compatible with R410A, R134a, R22, and other common HFC/HCFC refrigerants, providing a reliable visual check for undercharge or flash gas issues without the need for immediate gauge attachment.
Key Benefits
- Dual-Function Monitoring: Provides immediate visual verification of liquid line status and moisture content within a single 3/8 SAE fitting.
- Broad Refrigerant Compatibility: Single-element indicator accurately monitors refrigerant types including R-410A, R-22, R-404A, and R-134a.
- Heavy-Duty Construction: High-integrity brass body and fused glass viewing port are designed to withstand high-pressure HVACR applications.
- High Visibility: Large viewing window facilitates the detection of bubbles or flash gas, indicating potential low refrigerant charge or restrictions.
Common Questions
Where should the York S1-700091 be installed within the system?
For the most accurate diagnostics, install this sight glass in the liquid line immediately after the filter-drier and as close to the expansion device as possible to monitor the condition of the refrigerant entering the evaporator.
What does it mean if I see bubbles in the sight glass during operation?
Persistent bubbling typically indicates a shortage of refrigerant, a restricted filter-drier, or non-condensables in the system. Occasional bubbles during start-up or during rapid load changes are standard.
Can the moisture indicator element be replaced without removing the body?
Yes, this specific York S1-700091 model is based on the See-All design, which allows for the replacement of the internal color indicator paper using a compatible kit if the element becomes contaminated or discolored over time.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Original: $64.53
-65%$64.53
$22.59York S1-700091 Sight Glass
The York S1-700091 Sight Glass is a critical diagnostic component for commercial and residential refrigeration systems, functioning as a high-precision moisture indicator and liquid line monitor. Engineered as a direct OEM replacement for York, Luxaire, and Coleman equipment, this 3/8 SAE sight glass features a 3/8" Female x Male flare connection for secure integration into the liquid line. The SA-13FM See-All design provides a wide-angle viewing crystal that allows technicians to verify a solid column of liquid refrigerant before the expansion valve, ensuring optimal heat transfer and system efficiency.
A built-in refrigerant moisture indicator utilizes a chemically treated element that reacts specifically to PPM levels of water. A clear dark green indicator confirms a dry, contaminant-free system, while a transition to bright yellow signals elevated moisture saturation, necessitating a filter-drier replacement to prevent acid formation and compressor damage. This bi-directional moisture indicator is compatible with R410A, R134a, R22, and other common HFC/HCFC refrigerants, providing a reliable visual check for undercharge or flash gas issues without the need for immediate gauge attachment.
Key Benefits
- Dual-Function Monitoring: Provides immediate visual verification of liquid line status and moisture content within a single 3/8 SAE fitting.
- Broad Refrigerant Compatibility: Single-element indicator accurately monitors refrigerant types including R-410A, R-22, R-404A, and R-134a.
- Heavy-Duty Construction: High-integrity brass body and fused glass viewing port are designed to withstand high-pressure HVACR applications.
- High Visibility: Large viewing window facilitates the detection of bubbles or flash gas, indicating potential low refrigerant charge or restrictions.
Common Questions
Where should the York S1-700091 be installed within the system?
For the most accurate diagnostics, install this sight glass in the liquid line immediately after the filter-drier and as close to the expansion device as possible to monitor the condition of the refrigerant entering the evaporator.
What does it mean if I see bubbles in the sight glass during operation?
Persistent bubbling typically indicates a shortage of refrigerant, a restricted filter-drier, or non-condensables in the system. Occasional bubbles during start-up or during rapid load changes are standard.
Can the moisture indicator element be replaced without removing the body?
Yes, this specific York S1-700091 model is based on the See-All design, which allows for the replacement of the internal color indicator paper using a compatible kit if the element becomes contaminated or discolored over time.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The York S1-700091 Sight Glass is a critical diagnostic component for commercial and residential refrigeration systems, functioning as a high-precision moisture indicator and liquid line monitor. Engineered as a direct OEM replacement for York, Luxaire, and Coleman equipment, this 3/8 SAE sight glass features a 3/8" Female x Male flare connection for secure integration into the liquid line. The SA-13FM See-All design provides a wide-angle viewing crystal that allows technicians to verify a solid column of liquid refrigerant before the expansion valve, ensuring optimal heat transfer and system efficiency.
A built-in refrigerant moisture indicator utilizes a chemically treated element that reacts specifically to PPM levels of water. A clear dark green indicator confirms a dry, contaminant-free system, while a transition to bright yellow signals elevated moisture saturation, necessitating a filter-drier replacement to prevent acid formation and compressor damage. This bi-directional moisture indicator is compatible with R410A, R134a, R22, and other common HFC/HCFC refrigerants, providing a reliable visual check for undercharge or flash gas issues without the need for immediate gauge attachment.
Key Benefits
- Dual-Function Monitoring: Provides immediate visual verification of liquid line status and moisture content within a single 3/8 SAE fitting.
- Broad Refrigerant Compatibility: Single-element indicator accurately monitors refrigerant types including R-410A, R-22, R-404A, and R-134a.
- Heavy-Duty Construction: High-integrity brass body and fused glass viewing port are designed to withstand high-pressure HVACR applications.
- High Visibility: Large viewing window facilitates the detection of bubbles or flash gas, indicating potential low refrigerant charge or restrictions.
Common Questions
Where should the York S1-700091 be installed within the system?
For the most accurate diagnostics, install this sight glass in the liquid line immediately after the filter-drier and as close to the expansion device as possible to monitor the condition of the refrigerant entering the evaporator.
What does it mean if I see bubbles in the sight glass during operation?
Persistent bubbling typically indicates a shortage of refrigerant, a restricted filter-drier, or non-condensables in the system. Occasional bubbles during start-up or during rapid load changes are standard.
Can the moisture indicator element be replaced without removing the body?
Yes, this specific York S1-700091 model is based on the See-All design, which allows for the replacement of the internal color indicator paper using a compatible kit if the element becomes contaminated or discolored over time.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
