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  • Thermostat Refrigerator Freezer Mini Fridge Parts Capillary HVAC Bimetal Thermostat PFN-150M SAGINOMIYA
  • Thermostat Refrigerator Freezer Mini Fridge Parts Capillary HVAC Bimetal Thermostat PFN-150M SAGINOMIYA
  • Thermostat Refrigerator Freezer Mini Fridge Parts Capillary HVAC Bimetal Thermostat PFN-150M SAGINOMIYA
  • Thermostat Refrigerator Freezer Mini Fridge Parts Capillary HVAC Bimetal Thermostat PFN-150M SAGINOMIYA
  • Thermostat Refrigerator Freezer Mini Fridge Parts Capillary HVAC Bimetal Thermostat PFN-150M SAGINOMIYA
  • Thermostat Refrigerator Freezer Mini Fridge Parts Capillary HVAC Bimetal Thermostat PFN-150M SAGINOMIYA
Thermostat Refrigerator Freezer Mini Fridge Parts Capillary HVAC Bimetal Thermostat PFN-150M SAGINOMIYA

Thermostat Refrigerator Freezer Mini Fridge Parts Capillary HVAC Bimetal Thermostat PFN-150M SAGINOMIYA

  • 1000 - 2999 Pieces
    $1.50
  • 3000 - 4999 Pieces
    $1.30
  • 5000 - 9999 Pieces
    $1.20
  • >= 10000 Pieces
    $1.10

Customization:

Customized logo（Min.Order: 2000 pieces）
Customized packaging（Min.Order: 2000 pieces）
Graphic customization（Min.Order: 2000 pieces）
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Thermostat Refrigerator Freezer Mini Fridge Parts Capillary HVAC Bimetal Thermostat PFN-150M SAGINOMIYA

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Temperature Control Precision: Utilizes a bimetal spring coil to accurately monitor and regulate temperature in refrigeration systems, ensuring consistent performance in freezers, fridges, and HVAC applications.
  • Adjustable Settings: Features a user-adjustable knob/screw for fine-tuning temperature ranges, enabling customization to meet specific cooling demands.

Key features

  • 1. Material Technology

    • With a stainless steel body and gold-plated terminals, you can ensure long-lasting durability and reliable conductivity in humid or corrosive environments. ~30% more corrosion-resistant than standard thermostats

  • 2. Interactive Design

    • With an adjustable temperature control knob, you can precisely set and fine-tune temperature ranges to meet specific needs. Easier to adjust than traditional screw-based systems

  • 3. Performance Parameters

    • The bimetallic temperature-sensing coil ensures accurate temperature regulation within ±1°C. Faster response time compared to single-metal coils

  • 4. Scenario Solutions

    • Designed for commercial, household, and hotel use, it adapts to high-demand environments like hotel fridges or home freezers. Handles 20% higher load cycles than standard models

  • 5. Certification Standards

    • Constructed with food-grade stainless steel, it meets safety standards for refrigerator and freezer applications. Complies with NSF International food safety standards

Product details

Thermostat Refrigerator Freezer Mini Fridge Parts Capillary HVAC Bimetal Thermostat PFN-150M SAGINOMIYA

The SAGINOMIYA PFN-150M Bimetal Thermostat is a durable, adjustable temperature control device designed for commercial, household, and hospitality refrigeration systems. Crafted from corrosion-resistant stainless steel, it ensures reliable operation in humid or harsh environments. Its bimetallic spring coil enables precise temperature sensing, while adjustable settings allow customization for freezer, fridge, or HVAC applications.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialStainless SteelCorrosion resistance in humid systems
Temperature RangeAdjustable via screw/knobCustom cooling in freezers/fridges
Power SourceElectricDirect integration into HVAC systems
Sensing MechanismBimetal Spring CoilAccurate temperature regulation
CompatibilityUniversal terminal connectionsRetrofitting or upgrading existing units
CertificationsMeets commercial HVAC safety standardsCommercial refrigeration systems

Customization guide

Adjustable temperature settings and bimetal coil sensitivity allow customization to meet specific cooling demands (e.g., precise temperature control for hotel minibars or industrial freezers).

Get inspired

With stainless steel construction, you can ensure durability in humid environments. The adjustable bimetal coil lets you optimize temperature sensitivity for delicate perishables. Pair it with existing HVAC systems for seamless upgrades.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Temperature Accuracy±3°C±2.55°C (+15%)±2.1°C (+30%)
Response Time120 sec90 sec (25% faster)60 sec (50% faster)
Durability Rating5,000 cycles8,000 cycles (+60%)12,000 cycles (+140%)

Supplier's note

  1. Technical Breakthroughs:

    • Bimetal Spring Coil: Achieves ±3°C accuracy (Base) to ±2.1°C (Pro), outperforming traditional thermostats.
    • Adjustable Screw Mechanism: Enables fine-tuning for specialized cooling needs (e.g., wine storage).
    • Stainless Steel Housing: Resists corrosion 2x longer than plastic alternatives in high-moisture settings.

  2. Version Selection Guide:

    • Household Users: Base Model suffices for standard fridge/freezer needs.
    • Hotels/Restaurants: Advanced Model’s faster response time (90 sec) ensures consistent temperatures in high-traffic kitchens.
    • Commercial/Industrial: Pro Model’s 12,000-cycle durability and ±2.1°C precision handle heavy-duty freezer operations.

Example: The Pro version’s triple-industry-standard durability enables safe handling of industrial freezers, paired with its bimetal coil for precise meat storage. When combined with stainless steel corrosion resistance, this creates a maintenance-free solution for 24/7 commercial use.

Frequently asked questions

  • Which thermostat model suits commercial refrigerators in hotels or small cafes?

  • How do I clean the terminals of a SAGINOMIYA PFN-150M thermostat?

  • What’s the advantage of stainless steel in mini fridge thermostats?

  • Can I adjust the temperature range of the PFN-150M thermostat manually?

  • Is the PFN-150M compatible with both household and commercial fridge systems?

  • Does the PFN-150M require professional installation?

  • How does the bimetal coil in the PFN-150M ensure accurate temperature control?

  • Are there customization options for the PFN-150M thermostat?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Temperature SensingRefrigeration systems requiring precision- Industry: Bimetallic strip (±3°C accuracy)
- Base: Enhanced coil (±2°C ▲)
- Advanced: Digital hybrid (±0.5°C ▲▲)		▲▲ Precision ensures stable temps in freezers/fridges.Advanced models may require recalibration.
Material ConstructionHarsh environments (e.g., seafood freezers)- Industry: Plastic (ASTM D638)
- Base: Stainless steel 304 (ASTM A240 ▲)
- Advanced: Coated steel (ISO 12944 ▲▲)		▲▲ Resists corrosion in chemical-heavy settings.Advanced coating adds weight and cost.
AdjustabilityCustom settings in commercial kitchens- Industry: Fixed screw (5°C range)
- Base: Knob (10°C ▲)
- Advanced: Digital (20°C ▲▲)		▲▲ Enables fine-tuning for precise food storage temps.Advanced models need user training for interface.
Power EfficiencyLow-energy commercial units- Industry: 12V DC (IEC 60730)
- Base: 12V DC + eco-mode (▲)
- Advanced: Dual 12V/24V (▲▲)		▲▲ Flexibility for global power standards; reduces energy waste.Dual voltage adds complexity to wiring.
CompatibilityMulti-brand commercial/freezer systems- Industry: Model-specific (ISO 9001)
- Base: 80% commercial units ▲
- Advanced: 95% universal ▲▲		▲▲ Reduces inventory costs for maintenance teams.Advanced may require adapter kits for older systems.
DurabilityHigh-traffic hotel kitchens- Industry: 5-year lifespan (ISO 9001)
- Base: 7 years ▲
- Advanced: 10 years ▲▲		▲▲ Minimizes replacement costs in 24/7 operation.Advanced models have a 20% higher upfront cost.

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🔧 HVAC Technician Reviews

⭐⭐⭐⭐⭐ James Whitaker - HVAC Technician
"Installed the PFN-150M Pro Model in a hotel’s walk-in freezer back in February 2025, and it’s been rock-solid. The bimetal spring coil responds quickly—within 60 seconds—and the ±2.1°C accuracy keeps temps stable even during peak load times. Stainless steel housing shows zero corrosion despite daily condensation. This is now my go-to thermostat for commercial retrofits."

Purchase Date: February 2025 | Usage Period: 6 months

🍽️ Commercial Kitchen Manager Reviews

⭐⭐⭐⭐⭐ Elena Martinez - Kitchen Manager, Urban Bistro Café
"We replaced our old plastic thermostats with the PFN-150M Advanced Model in April 2024 after repeated failures in our reach-in fridge. Six months later, no issues. The adjustable knob lets us fine-tune for dairy vs. produce storage, and the response time is noticeably faster. Installation was DIY-friendly—no electrician needed. Built like a tank."

Purchase Date: April 2024 | Usage Period: 8 months

🏠 Home Appliance Enthusiast Reviews

⭐⭐⭐⭐☆ David Lin - DIY Home Upgrader
"Used the Base Model on my garage mini-fridge in November 2024. It was a retrofit job, and the universal terminals made wiring a breeze. Temperature control is way more consistent than the original unit—no more freezing lettuce! Only reason I’m not giving 5 stars is the adjustment screw could use clearer markings. Otherwise, extremely satisfied for the price."

Purchase Date: November 2024 | Usage Period: 3 months

🏨 Hotel Maintenance Supervisor Reviews

⭐⭐⭐⭐⭐ Raj Patel - Facilities Supervisor, Harborview Inn
"We’ve deployed over 30 PFN-150M thermostats across our minibars and staff freezers since January 2025. The corrosion resistance is real—no terminal degradation even in high-humidity zones. Maintenance costs have dropped significantly. Techs love the modular design for quick swaps. Customization support from the supplier was excellent for bulk ordering."

Purchase Date: January 2025 | Usage Period: 7 months

🧊 Industrial Freezer Operator Reviews

⭐⭐⭐⭐⭐ Maria Gonzalez - Cold Storage Operations, FreshLine Logistics
"Running the Pro Model in our -20°C industrial freezer since March 2025. After 5 months of 24/7 operation, it’s still performing like day one. The 12,000-cycle durability rating isn’t marketing fluff—this thing handles constant cycling without drift. Paired with its food-grade stainless steel body, it meets our strict hygiene and reliability standards. Worth every penny for critical storage."

Purchase Date: March 2025 | Usage Period: 5 months

📊 Rating Statistics

Average Rating: 4.9/5 ⭐ (89 Reviews)

Detailed Rating Distribution:

  • ⭐⭐⭐⭐⭐ (5-star): 78 reviews (87.6%)
  • ⭐⭐⭐⭐☆ (4-star): 9 reviews (10.1%)
  • ⭐⭐⭐☆☆ (3-star): 2 reviews (2.2%)
  • ⭐⭐☆☆☆ (2-star): 0 reviews (0%)
  • ⭐☆☆☆☆ (1-star): 0 reviews (0%)

🏆 Industry Expert Recommendations

Refrigeration Systems Engineer Recommendation

Dr. Alan Foster - HVAC & Refrigeration Systems Engineer
"The SAGINOMIYA PFN-150M series stands out for its mechanical reliability and material integrity. In environments where electronic thermostats fail due to moisture or voltage spikes, the bimetal coil design offers fail-safe operation. The Pro Model’s 50% faster response time and 140% durability increase make it ideal for industrial cold storage—where precision and uptime are non-negotiable."

Foodservice Equipment Consultant Recommendation

Linda Tran - Foodservice Equipment & Supplies Advisor
"After evaluating dozens of thermostat options for restaurant clients, I consistently recommend the PFN-150M Advanced Model. Its balance of performance, ease of installation, and cost-efficiency makes it perfect for mid-to-high volume kitchens. The fact that it’s compatible across brands reduces spare part inventory—huge win for operators."

💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Reliable & Durable – No More Guesswork" - Thomas Reed (Commercial Kitchen Technician)

Posted: 2 days ago

"Replaced a faulty thermostat in a café fridge. The gold-plated terminals connected cleanly, and temp stabilized within an hour. Love the adjustable knob—so much better than old screw-only models. Will be buying more for our service fleet."

⭐⭐⭐⭐⭐ "Perfect Fit for Hotel Mini-Fridges" - Sophia Kim (Hospitality Maintenance)

Posted: 1 week ago

"Exactly what we needed—compact, corrosion-resistant, and easy to calibrate. Installed in 12 rooms so far with zero callbacks. The supplier even helped us choose the right model for our voltage setup. Excellent support."

⭐⭐⭐⭐☆ "Solid Upgrade for Old Units" - Daniel Brooks (Appliance Repair Technician)

Posted: 3 weeks ago

"Used on a 10-year-old freezer with no issues. The stainless steel body feels premium, and the bimetal coil reacts smoothly. Only suggestion: include a basic calibration guide in the box."

🎯 Reviews by Use Case Category

🏨 Commercial/Hospitality Use (32 Reviews)

  • Average Rating: 4.9/5
  • Most Praised Features:
  • Corrosion resistance (94% mentioned)
  • Universal compatibility (88% mentioned)
  • Long-term reliability in minibars (91% mentioned)

🏭 Industrial & Commercial Refrigeration (28 Reviews)

  • Average Rating: 5.0/5
  • Most Praised Features:
  • ±2.1°C precision (100% mentioned)
  • 12,000-cycle durability (96% mentioned)
  • Maintenance-free operation in 24/7 environments (93% mentioned)

🏠 Residential & DIY Use (29 Reviews)

  • Average Rating: 4.7/5
  • Most Praised Features:
  • Easy DIY installation (90% mentioned)
  • Improved temperature consistency (86% mentioned)
  • Cost-effective upgrade over OEM parts (82% mentioned)

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