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Dayton Hydronic Wall and Ceiling Unit Heater: Steam/Water - Suspended Horizontal Hydronic Wall & Ceiling Unit Heaters
DaytonSuspended Horizontal Hydronic Wall & Ceiling Unit Heaters

Dayton Hydronic Wall and Ceiling Unit Heater: Steam/Water

The DAYTON Hydronic Wall and Ceiling Unit Heater (SKU 4NHG4) is a suspended horizontal unit heater designed for water heating systems. It delivers 174,000 BtuH output at 200°F water with an air flow of 3.500 cfm. The…

SKU 3G-OTH-66126

Brand
Dayton
Item
Hydronic Wall and Ceiling Unit Heater: Steam/Water
Category
Suspended Horizontal Hydronic Wall & Ceiling Unit Heaters
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Technical Specifications

Dayton
Manufacturer Part Number
4NHG4
Type
174,000 BtuH Output @ 200 F Water
Air Flow
3.500 cfm
Fan Guard Type
Standard Guard
Heating Method
Water
Overall Dimensions - H x W x D
30-1/4 in x 27-7/8 in x 14 in
Connection Size, Connection Type
2 in, Threaded Female NPT
View Full Spec Sheet

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Dayton Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The DAYTON Hydronic Wall and Ceiling Unit Heater (SKU 4NHG4) is a suspended horizontal unit heater designed for water heating systems. It delivers 174,000 BtuH output at 200°F water with an air flow of 3.500 cfm. The unit features a 2-inch threaded female NPT connection and a standard fan guard, with overall dimensions of 30-1/4 in x 27-7/8 in x 14 in.

Frequently Asked Questions

What is the DAYTON 4NHG4 hydronic unit heater used for?

The DAYTON 4NHG4 is a suspended horizontal unit heater for water heating systems. It delivers 174,000 BtuH output at 200°F water with 3.500 cfm air flow, ideal for heating large industrial or commercial spaces like warehouses and factories.

What are the specifications of the DAYTON 4NHG4 unit heater?

The DAYTON 4NHG4 has a 174,000 BtuH output at 200°F water, 3.500 cfm air flow, 2 in threaded female NPT connection, standard fan guard, and dimensions of 30-1/4 in x 27-7/8 in x 14 in. It uses water as the heating medium.

Where to buy the DAYTON 4NHG4 unit heater worldwide?

3G Electric supplies the DAYTON 4NHG4 unit heater worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this hydronic heater.

How to install a DAYTON hydronic wall and ceiling unit heater?

Install the DAYTON 4NHG4 suspended horizontally using threaded 2 in NPT connections for water supply and return. Ensure proper clearance for air flow and secure mounting to structural supports. Follow local codes and the manufacturer's manual for safe operation.

Used in

Common applications for Dayton
HVAC ventilation — DAYTON centrifugal upblast roof exhaust fans (SKU 7M7U3) for kitchen exhaust systems
Mechanical power transmission — DAYTON HTD timing pulleys (SKU 404GV0) for conveyor belt drives
Process water handling — DAYTON self-priming centrifugal pumps (SKU 2ZXT4) for dewatering or transfer
Roofing and building services — DAYTON fixed ventilated roof curbs (SKU 4HX59) for filtered supply fan installations
Material handling — DAYTON latch assemblies (SKU 2KEN4) for electric chain hoist hook safety
Industrial air movement — DAYTON downblast roof exhaust fans (SKU 3HFL9) for clean air exhaust in manufacturing plants

Dayton Products

3G Electric supplies Dayton suspended horizontal hydronic wall & ceiling unit heaters. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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DAYTON Hydronic Wall and Ceiling Unit Heater: Steam/Water, 87,100 BtuH Output @ 200 F Water (MPN 5YH19). Key specifications — Air Flow: 1,900 cfm; Brand: DAYTON; Connection Size, Connection Type: 1-1/2 in, Threaded Female NPT; Fan Guard Type: Standard Guard; Heating Method: Steam; Overall Dimensions - H x W x D: 25-1/4 in x 20-7/8 in x 13 in.
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DAYTON Hydronic Wall and Ceiling Unit Heater: Steam/Water, 52,300 BtuH Output @ 200 F Water (MPN 5PV50). Key specifications — Air Flow: 1,100 cfm; Brand: DAYTON; Connection Size, Connection Type: 1-1/4 in, Threaded Female NPT; Fan Guard Type: OSHA Compliant Guard; Heating Method: Water; Overall Dimensions - H x W x D: 21-3/4 in x 18-3/8 in x 11-1/16 in.
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Dayton
DAYTON Hydronic Wall and Ceiling Unit Heater: Steam/Water, 61,000 BtuH Output @ 200 F Water (MPN 5PV51). Key specifications — Air Flow: 1.400 cfm; Brand: DAYTON; Connection Size, Connection Type: 1-1/4 in, Threaded Female NPT; Fan Guard Type: OSHA Compliant Guard; Heating Method: Steam; Overall Dimensions - H x W x D: 24-1/4 in x 20-7/8 in x 11-13/16 in.
DAYTON Hydronic Wall and Ceiling Unit Heater: Steam/Water, 52,300 BtuH Output @ 200 F Water (MPN 5PV49). Key specifications — Air Flow: 1.100 cfm; Brand: DAYTON; Connection Size, Connection Type: 1-1/4 in, Threaded Female NPT; Fan Guard Type: Standard Guard; Heating Method: Steam; Overall Dimensions - H x W x D: 21-3/4 in x 18-3/8 in x 11-1/16 in.
Dayton
DAYTON Hydronic Wall and Ceiling Unit Heater: Steam/Water, 52,300 BtuH Output @ 200 F Water (MPN 5PV49). Key specifications — Air Flow: 1.100 cfm; Brand: DAYTON; Connection Size, Connection Type: 1-1/4 in, Threaded Female NPT; Fan Guard Type: Standard Guard; Heating Method: Steam; Overall Dimensions - H x W x D: 21-3/4 in x 18-3/8 in x 11-1/16 in.