1.57" Dial Pressure Gauge — 0-30psi / 200kPa — 304 Stainless Steel Case — 1/4" NPT Bottom Mount
Monitor your pool sand filter performance with a gauge you can trust. The iFJF 1.57" Pressure Gauge is a precision-manufactured direct replacement for most pool, spa, and water filtration pressure gauges. The 304 stainless steel case resists corrosion from pool chemicals and outdoor exposure far better than painted steel alternatives. Features a clear, easy-to-read 0-30psi / 200kPa dual-scale dial, 1/4" NPT bottom-mount connection for standard filter valve fitment, and factory calibration for accurate readings right out of the box. Backed by a full 1-year replacement warranty.
Key Features
304 Stainless Steel Case: Superior corrosion resistance vs. painted steel gauges that rust within a season. Withstands pool chemicals, salt systems, and outdoor weather.
Dual-Scale Dial: 0-30 psi on the outer scale, 0-200 kPa on the inner scale. Clear, high-contrast markings for quick readings at a glance.
Factory Calibrated: Pre-calibrated to ±1.6% accuracy. No zeroing or field calibration required — install and read.
Standard 1/4" NPT Connection: Bottom-mount brass fitting threads directly into most sand filter multiport valves, cartridge filter lids, and pump housings. Teflon tape included in the box.
1-Year Replacement Warranty: Covered against manufacturing defects for a full year. If it fails, we replace it — no questions asked.
Versatile Application: Works on pool sand filters, DE filters, cartridge filters, well pumps, irrigation systems, and general water pressure monitoring.
Compatibility
This pressure gauge fits most pool filtration equipment with a standard 1/4" NPT female threaded port, including:
Hayward sand filter multiport valves (SP0714, SP0710, SP0410 series)
Pentair / PacFab sand and DE filter valves
Jandy / Zodiac filter valves and pump lids
Waterway, Sta-Rite, and most private-label pool filters
Well pump pressure tanks and irrigation manifolds
⚠ Verify: Confirm your existing gauge has a 1/4" NPT threaded connection and mounts from the bottom (not back-mounted). Most pool filter gauges use this standard connection.
Specifications
Specification
Detail
Dial Diameter
1.57" (40mm)
Pressure Range
0-30 psi / 0-200 kPa
Case Material
304 Stainless Steel
Connection
1/4" NPT Bottom Mount (Brass)
Accuracy
±1.6% Full Scale
Warranty
1-Year Replacement
When to Replace Your Pressure Gauge
Needle doesn't return to zero when the pump is off
Moisture or condensation visible inside the gauge face (failed seal)
Rust or corrosion on the case or connection threads
Readings are inconsistent or jump during operation
Gauge face is cloudy, yellowed, or unreadable
Pressure seems "normal" even though filter is obviously dirty — stuck needle
Installation
Turn off the pool pump and relieve system pressure by opening the air relief valve.
Unscrew the old pressure gauge by hand or with a wrench on the brass fitting (not the case).
Clean the threaded port — remove old Teflon tape and debris.
Apply 2-3 wraps of Teflon tape (included) clockwise to the new gauge's threads.
Hand-tighten the gauge into the port, then snug with a wrench — do not over-tighten (brass threads can strip).
Turn pump on, check for leaks, and verify the gauge reads in the expected range (typically 10-25psi for a clean filter).
Why Choose iFJF?
Most pool pressure gauges fail within 1-2 seasons due to cheap painted steel cases that rust and plastic lenses that cloud over. iFJF uses 304 stainless steel for the case — the same grade used in marine and food-grade applications — for years of reliable, readable service. Backed by a 1-year warranty and US-based support.
Related Products
385316906 Vacuum Breaker Kit (No Sprayer)
385230325 Vacuum Breaker Kit (With Sprayer)
4036ER2004A Washer Bearing & Seal Kit
Frequently Asked Questions
Q: Is this plug-and-play or does it require calibration?A: The gauge comes factory-calibrated. Installation is straightforward — remove the old gauge, apply Teflon tape, screw in the new gauge, and it's ready to read. No field calibration needed.
Q: What does the pressure reading tell me about my filter?A: A clean filter typically reads 10-15psi. As the filter collects debris, pressure rises. When pressure is 8-10psi above the clean reading, it's time to backwash (sand/DE) or clean (cartridge). A pressure gauge that can't rise above a certain point may indicate a clogged impeller or pump issue.
Q: Will this fit my Hayward sand filter?A: Most likely yes — Hayward multiport valves (SP0714, SP0710 series) and most other major brands use the standard 1/4" NPT bottom-mount connection. Verify your existing gauge's thread size before ordering.
Q: Can I use this for a well pump or irrigation system?A: Yes. This gauge works for any application within the 0-30psi range using a 1/4" NPT female connection. For higher-pressure applications (>30psi), choose a gauge with appropriate range.
Q: Will the stainless steel rust in a saltwater pool?A: 304 stainless steel provides good corrosion resistance in saltwater pool environments. For maximum longevity, rinse the gauge exterior with fresh water periodically — salt buildup on any metal surface can eventually cause pitting.
Q: What's the warranty period?A: 1-year replacement warranty against manufacturing defects. If your gauge fails within a year of purchase, contact us for a free replacement.
📚 Related Guides & Articles
HOW TO REPLACE BROKEN SWIMMING POOL VACUUM HOSE CUFF
Read more less