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Revolutionize your lab's storage with the DHH4-30SDFMS Upright Refrigerator. With an expansive 30.0 cubic feet capacity and eco-friendly R404A refrigerant, it ensures optimal conditions for your sensitive materials. Designed to meet UL standards, it offers secure and reliable storage with a keyed lock and robust alarm system. Elevate your lab’s efficiency and safety with this state-of-the-art, user-friendly essential.
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Actual DHH4-30SDFMS exterior. Storage containers and optional monitoring equipment are not included.
DHH4-30SDFMS • FLAMMABLE MATERIAL STORAGE
The So-Low DHH4-30SDFMS provides 30 cu. ft. (849 L) of refrigerated storage with five adjustable shelves and a keyed door. Its standard configuration pairs a mechanical thermostat with manual defrost and gravity-flow circulation for materials requiring storage within its published 1°C to 10°C range.
So-Low identifies this FMS model for flammable-material storage in general laboratory work areas. Match the refrigerator to your material’s storage instructions and your facility’s safety assessment; FMS storage and hazardous-location equipment are different selections.
30 cu. ft.
849 L capacity
1°C to 10°C
Published temperature range
5 adjustable shelves
Plan container spacing
Mechanical control
Standard thermostat
So-Low states that this model meets NFPA / OSHA Guidelines 45 & 70 for flammable-material storage in general laboratory work areas. This is the manufacturer’s stated application; it is not a blanket approval for every material, process or location.
Start with the material’s safety data sheet, required temperature and the facility’s storage plan. Use a refrigerator selected for the material rather than assuming an ordinary laboratory or household refrigerator is appropriate.
Do not treat the SDFMS model as an explosion-proof or hazardous-location refrigerator. If your installation requires a classified-location rating, obtain equipment with the exact documented classification your facility requires.
Equipment selection and installation remain subject to your facility’s environmental-health-and-safety review and applicable requirements.
The standard DHH4-30SDFMS uses an adjustable mechanical thermostat. Digital controls and an alarm system are optional, not standard equipment in this listing. If recorded temperatures or remote notification are required, confirm the complete monitoring configuration before ordering.
Mechanical thermostat, manual defrost, gravity-flow circulation, keyed door and five adjustable shelves. Choose this configuration with a clear plan for your facility’s required temperature checks.
So-Low’s specification sheet identifies a digital-control option that includes a control and alarm system. It also states that a temperature recorder requires the digital-control option. Ask us to confirm the orderable configuration; this page does not include those upgrades.
Manual defrost requires planned maintenance downtime. Arrange suitable backup storage for materials, follow the applicable defrost procedure, and allow the refrigerator to return to the required temperature before reloading.
35.75″ cabinet widthCheck the complete delivery route and request confirmed current overall dimensions before planning a tight alcove or clearance-sensitive installation.
32″ W × 22.5″ D × 65″ HThe wider storage compartment offers more room than the 20-cu.-ft. model, but shelf loading and container layout still need review.
115 V / 60 Hz / single phaseDedicated 15 A line, NEMA 5-15 connection and four leveling legs. Published running current: 6 A.
Cabinet dimensions are not shipping-crate dimensions or a door-open envelope. Allow the ventilation and service space required by the applicable installation instructions; confirm shelf loading before finalizing a storage layout.
Selection overview. The 30-cu.-ft. model is not simply a larger version of the 20-cu.-ft. control system.
Both models offer a 1°C to 10°C published range and five adjustable shelves, but their controls, defrost method and warranty differ. Choose the workflow you need, not just the larger capacity.
20 cu. ft. / 566 LDigital display with high/low alarm.Cycle defrost; forced-air circulation.Five adjustable shelves.Two-year parts-and-labor warranty.Consider it when included digital monitoring and the narrower cabinet matter.View DHH4-20SDFMS
30 cu. ft. / 849 LMechanical thermostat as standard.Manual defrost; gravity-flow circulation.Five adjustable shelves.One-year parts-and-labor warranty.Consider it when greater capacity matters and you can plan manual-defrost maintenance.
Tell us the destination ZIP or postal code, whether the facility has a loading dock, and whether liftgate or inside-delivery service is needed. Confirm the route from receiving to the final room, not just the space where the refrigerator will stand.
Manufacturer dispatch timing and transit time are different. Confirm current availability, freight scope and estimated timing before placing an order. Inspect the shipment on arrival, have the carrier record visible damage or shortages, retain packaging and photographs, and contact Blue Tiger promptly with any issue.
Alternative model: compare the DHH4-20SDFMS. Review its control and defrost differences before selecting it.
Receiving checklist illustration, not an installation drawing. Confirm required clearances and service access for your unit.
Group materials by your lab’s storage plan, arrange containers so labels can be read, and set shelf spacing to suit container height. Keep materials in suitable closed containers and follow the facility’s segregation and storage procedures.
Five adjustable shelves, a keyed insulated-steel door, painted-steel interior and exterior, four leveling legs and a ¾″ access porthole.
Containers, extra shelves, monitoring probes, recording devices and external notification systems are not included. Confirm exact fit and order codes before adding an accessory.
Related workflow: compare the verified alternative model linked above. No unverified accessory compatibility or bottle-count capacity is implied.
The DHH4-30SDFMS has a published 1°C to 10°C temperature range and 30 cu. ft. (849 L) capacity. Match that range to each material’s storage instructions and your facility’s procedures; a general FMS application label does not establish suitability for every chemical.
This listing is for the DHH4-30SDFMS flammable-material-storage refrigerator for general laboratory work areas. It is not presented as hazardous-location or explosion-proof equipment. If your room or process requires a classified-location rating, obtain the exact documented equipment classification your facility requires.
The standard DHH4-30SDFMS has an adjustable mechanical thermostat. A digital control and alarm system are optional. So-Low’s specification sheet states that a temperature recorder requires the digital-control option; confirm a separately configured order if those features are needed.
The DHH4-30SDFMS uses manual defrost and gravity-flow circulation. Plan suitable backup storage during defrost, follow the applicable procedure and verify the required temperature before reloading. The DHH4-20SDFMS instead uses cycle defrost and forced-air circulation.
The DHH4-30SDFMS includes five adjustable shelves. Published interior dimensions are 32″ W × 22.5″ D × 65″ H. Review container height, width, shelf spacing and permitted loading before ordering; this listing does not promise a specific bottle or rack count.
So-Low’s exact-model specifications list 115 V, 60 Hz, single-phase power, a dedicated 15 A line and NEMA 5-15 configuration for the DHH4-30SDFMS. Published running current is 6 A. Confirm the installation instructions for your actual unit and prepare the outlet and service access before delivery.
The DHH4-30SDFMS offers 30 cu. ft. versus 20 cu. ft. for DHH4-20SDFMS. The smaller model includes digital controls and a high/low alarm, cycle defrost and a two-year parts-and-labor warranty; the standard 30-cu.-ft. model uses mechanical control, manual defrost and a one-year parts-and-labor warranty.
Provide the DHH4-30SDFMS delivery destination, receiving hours, loading-dock access and any liftgate or inside-delivery needs. Confirm freight and current timing before shipment. So-Low lists a one-year parts-and-labor manufacturer warranty for this model. Contact Blue Tiger for order assistance, return authorization and coordination of manufacturer service.
Extra shelves, containers and optional monitoring equipment are sold separately. Confirm exact installation and accessory requirements before ordering.
Orders are fulfilled through Blue Tiger Scientific’s suppliers. Confirm availability, freight arrangements and any liftgate or inside-delivery requirements before ordering; extra service charges may apply. Transit estimates do not include processing or manufacturer lead times. Shipping is FOB origin unless otherwise agreed. Inspect the shipment, have the carrier record visible damage or shortages on the delivery receipt, retain packaging and photographs, and promptly contact Blue Tiger with order details.
Return eligibility is subject to the product’s stated conditions, applicable manufacturer requirements and Blue Tiger Scientific’s refund policy. Contact info@bluetigerscientific.com before returning equipment. An approved RMA and designated return address are required; do not send returns to Blue Tiger’s business address. Authorized non-defective returns may incur restocking fees of up to 30%, shipping deductions and prepaid, insured return-shipping costs. International returns are not permitted.
So-Low lists one year parts and labor for the DHH4-30SDFMS manufacturer warranty. Warranty service is separate from return authorization. Contact Blue Tiger for order assistance and coordination with So-Low service. Have the model, serial number and problem description available and obtain manufacturer instructions before attempting repairs or replacing parts while under warranty.
General literature covers more than one configuration. Use the instructions supplied with your actual unit for operation and service. Contact us for help obtaining a manual matched to your model and controller; general literature does not override the exact-model specifications.
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