Page 402 - Q4 2026 Stephenson Equipment Catalogue

AIR CONDITIONING SYSTEM SERVICE

Manifold Gauges

BlackMax Manifold Gauge Sets MAID8QZ ROB-45111 $402 65
• 1/2" ACME fittings
• (3) 8 ft. hoses • Manual couplers R134a 2-Way Brass Manifold Gauge Set
• R12/R134a gauges, PSI, and °F temp
Item # Refrigerant • 90° manual couplers
CPS-MAID8QZ R134a $746.05 • 72" R134a hoses (1/2" ACME x 14mm)
CPS-MAID8QDL R134a & R1234yf $527.95
CPS-MAID8QYF HFO-R1234yf $369.95 ATD-3681 $335 25
R1234yf/R134a Brass Manifold Gauge Set
• (3) 60" R134a standard hoses
• 2-1/2" re-calibratable gauges
MAID8QDL MAID8QYF • Extra access port for vacuum line
• R1234yf + R134a high & low side quick couplers
• 1/2" (M) x 1/2" (F) LH thread adapter
• (2) 12mm (M) x 14mm (F) R1234yf adapters

ATD-3694 $191 65
R12/R134a Deluxe Dual
Brass Manifold Gauge Set
• (3) 60" hoses
• Manual couplers
ROB-49134A $262 15 • 1/4" SAE-M x 1/2" ACME-F adapter
R134a Aluminum
Manifold Set R12/R134a Deluxe Dual
• 60" R134a hoses Aluminum Manifold Gauge Set
• 90° manual service • Manual couplers
couplers • 1/4" SAE-M x 1/2" ACME-F adapter
Item # Hoses
ATD-3695 (3) 60" $217.65
ATD-3696 (3) 96" $269.55
ROB-48510 $558 35
R134a Aluminum ATD-3661 $362 55
Manifold Gauge Set
• 90° Manual couplers R1234yf 2-Way Brass Manifold Gauge Set
• 72" R134a Hose set (1/2" ACME x 14mm) • (3) 60" hoses • R1234yf high and low side manual couplers

Replacement Gauges Service Couplers

ROB-11794 ROB-11795 ATD-3667 ATD-3666
R-1234yf Service Couplers
Item # Description
ROB-18122 Low Side $127.55 18122
ROB-18123 High Side $127.55
ROB-18124 2-Pc Set $219.55 18123
Replacement Gauges
Item # Description CO2 Couplers for R744 Systems
R22/R134a – LOW SIDE Replacement Gauge • 1/4" SAE connection
ROB-11794 $50.05 • Meets SAE J639
• PSI/kPa pressure readings • Temp. readings in °F • Provides precise filling with an adjustable opening
R22/R134a – HIGH SIDE Replacement Gauge
ROB-11795 $50.05 • High pressure resistance
• PSI/kPa pressure readings • Temp. readings in °F
R12/R134a – LOW SIDE Replacement Gauge Item # Description
ATD-3667 $20.85
• PSI pressure readings • Temp. readings in °F $294.45
R12/R134a – HIGH SIDE Replacement Gauge MTC-84934-CO2 Low Side
ATD-3666 $20.85 84934-CO2
• PSI pressure readings • Temp. readings in °F MTC-84834-CO2 High Side $294.45
84834-CO2
400 | October – December 2026