4CTS-1 Series 4.5" HVAC Pressure Gauge | Lower Mount | Weiss Instruments

Product details PRODUCT DESCRIPTION The 4CTS-1 Series HVAC Pressure Gauges by Weiss Instruments are designed for accurate pressure measurement in HVAC systems, water lines, and industrial applications. These gauges are built with a rugged stainless steel case and precision brass internal components, ensuring durability and long-term reliability. Featuring a lower connection design, the 4CTS-1 Series is easy to install and suitable for a wide range of system configurations. The large 4.5″ dial with clear black graduations provides excellent readability, even in demanding environments. With ±1.0% accuracy (ASME B40.100 Grade 1A) and multiple pressure range options including vacuum, compound, and pressure ranges up to 600 psi, this series offers flexibility for various HVAC and plumbing applications. KEY FEATURES 4.5″ large dial for clear visibilityLower connection (1/4″ NPT)Stainless steel casePhosphor bronze tubeLead-free brass socketPrecision brass movement (gear & pinion)Adjustable slotted pointer±1.0% accuracy (ASME Grade 1A)UL certified (NSF/ANSI 372/61 compliant)Suitable for HVAC, water, and industrial applications TECHNICAL SPECIFICATIONS Specification Details Series 4CTS-1 Brand Weiss Instruments Type Pressure Gauge Dial Size 4.5″ Connection Type Lower Mount Connection Size 1/4″ NPT Case Material Stainless Steel Window Lexan (push-in type) Tube Phosphor Bronze Socket Lead-Free Brass Movement Brass (gear & pinion) Dial White with black graduations Pointer Adjustable, slotted Accuracy ±1.0% (ASME B40.100 Grade 1A) Process Temperature -40°C to 85°C Ambient Temperature -40°C to 60°C Certification UL (NSF/ANSI 372/61) ITEM NUMBERS / MODELS Code PSI Range Type 015 0–15 psi Pressure 030 0–30 psi Pressure 060 0–60 psi Pressure 100 0–100 psi Pressure 160 0–160 psi Pressure 200 0–200 psi Pressure 300 0–300 psi Pressure 400 0–400 psi Pressure 600 0–600 psi Pressure VAC 30″ Hg / 0 Vacuum V15 30″ Hg / 15 psi Compound V30 30″ Hg / 30 psi Compound V60 30″ Hg / 60 psi Compound V100 30″ Hg / 100 psi Compound V150 30″ Hg / 150 psi Compound V200 30″ Hg / 200 psi Compound V300 30″ Hg / 300 psi Compound APPLICATIONS HVAC systemsChilled & hot water systemsPumpsGlycol systemsPlumbing systemsBoilers FAQs Q1: What is the accuracy of the 4CTS-1 pressure gauge?A: The gauge offers ±1.0% accuracy as per ASME B40.100 Grade 1A standards. Q2: What type of connection does this gauge use?A: It features a 1/4″ NPT lower mount connection. Q3: Can this gauge be used for potable water systems?A: Yes, it uses a lead-free brass socket and is UL certified for potable water applications. Q4: What pressure ranges are available?A: It is available in multiple ranges from vacuum to 600 psi, including compound ranges. Q5: Is this suitable for HVAC applications?A: Yes, it is specifically designed for HVAC, plumbing, pumps, and boiler systems. View More View Less