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Radiant Heat & Heating Supplies

Whether it's radiant heat, baseboard heating, hydronic heating, steam, electric or forced air heating, find all of the heating supplies to keep your home comfortable & warm.

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.010" LP Orifice for Pilot Burners (Q314, Q345 Q3450, Q3451, Q3452)
- SKU: 390686-1
- Brand: Honeywell
In Stock!
83 Avail (Ships in 24-48 Hrs)
$3.74 / each

$13.96 / box
4 x $3.49

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Product Specifications
Application:	Zoning
Zones:	1
Width:	4-7/16"
Height:	6-1/4"
Amperage:	7.4
Power Method:	120V
Voltage:	120v
Hertz:	60
Depth:	3-1/2"

Universal Switching Relay w/ Internal Transformer

SKU: R8845U1003
Brand: Honeywell

In Stock!

65 Avail (Ships in 24-48 Hrs)

$48.89 / each

$95.90 / box
2 x $47.95

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Product Specifications
Width:	7-1/2"
Height:	6-1/2"
Color:	Clear Acrylic
Application:	Heating
	Cooling
Features:	For TH3000/TH4000/TH5000/TH6000/TH8000
Depth:	2-15/16"

Medium Universal Thermostat Guard - Clear Cover

SKU: TG511A1000
Brand: Honeywell

In Stock!

149 Avail (Ships in 24-48 Hrs)

$16.95 / each

$101.10 / box
6 x $16.85

Circulator Aquastat, 100-240°F range, 5-30°F Adj Differential

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Product Specifications
Application:	Circulator Control
Bulb Size:	3/8" x 2-7/8"
Capillary Length:	3"
Switch Action:	Contacts Make on Temp Rise
	SPST
Temperature Range (F):	100°F to 240°F
Electrical Rating:	8A @ 120 Vac
	5.1A @ 240 Vac
	0.25 A @ 0.25 to 12 Vdc

Circulator Aquastat
5°F to 30°F Adj. Differential 100°F to 240°F Range

SKU: L4006B1163
Brand: Honeywell

In Stock!

38 Avail (Ships in 24-48 Hrs)

$62.95 / each

$184.35 / box
3 x $61.45

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Product Specifications
Gas Type:	Natural Gas
Body Pattern:	Straight-Through
Voltage:	24 VAC
Inlet Size:	1/2" NPT
Outlet Size:	1/2" NPT
Ignition Type:	Intermittent Pilot

Slow Opening Dual Intermittent Pilot Gas Valve

SKU: VR8204H1006
Brand: Honeywell

In Stock!

57 Avail (Ships in 24-48 Hrs)

$93.95 / each

1/2" NPT Direct Hot Surface Ignition SmartValve Control

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Product Specifications
Replaces:	SV9520H8067
	SV9520H8026
	SV9520H8042
	SV9520H8034
Gas Type:	Natural Gas
Body Pattern:	Straight-Through
Voltage:	24 VAC
Ignition Trial Time:	90 sec
Inlet Size:	1/2" NPT

1/2" NPT Direct HSI
Fast-Slow Opening
SmartValve

SKU: SV9520H8513
Brand: Honeywell

In Stock!

50 Avail (Ships in 24-48 Hrs)

$148.89 / each

Foot Mounted 120/208/240 Vac Transformer w/ 9 in. Lead Wires (40VA)

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Product Specifications
Application:	24v Controls
Voltage (Primary):	120v
	240v
	208v
Mount:	Clamp
	Plate
	Foot
Features:	Metal End Bells

120/208/240 VAC (Primary)
27V (Secondary)
40 VA Transformer

SKU: AT140A1018
Brand: Honeywell

In Stock!

84 Avail (Ships in 24-48 Hrs)

$11.65 / each

$43.96 / box
4 x $10.99

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Universal HSI Integrated Furnace Control
- SKU: S9200U1000
- Brand: Honeywell
In Stock!
173 Avail (Ships in 24-48 Hrs)
$79.95 / each

$236.85 / box
3 x $78.95

Product Specifications
No Features Available

High or Low Limit & Circulator Aquastat, 100 - 240°F range, 5 - 30°F Adj Differential

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Product Specifications
Application:	Low Limit
	High Limit
	Circulator Control
Switch Action:	SPDT
Temperature Range (F):	100°F to 240°F
Electrical Rating:	5.1A @ 240 Vac
	8A @ 120 Vac
	0.25 A @ 0.25 to 12 Vdc
Electrical Ratings (ALR):	48A @ 120 Vac

High or Low Limit & Circulator Aquastat
100°F 240°F Range

SKU: L6006A1244
Brand: Honeywell

In Stock!

23 Avail (Ships in 24-48 Hrs)

$71.95 / each

$209.85 / box
3 x $69.95

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Product Specifications
Application:	Low Limit
	High Limit
Bulb Size:	3/8" x 2-7/8"
Capillary Length:	1-1/2"
Switch Action:	Contacts Break on Temp Rise
	SPST
Well Spud Size:	1/2" NPT
Temperature Range (F):	100°F to 240°F
Electrical Rating:	5.1A @ 240 Vac

High or Low Limit Aquastat 100-240°F Range
5-30°F Adj Differential

SKU: L4006A1967
Brand: Honeywell

In Stock!

110 Avail (Ships in 24-48 Hrs)

$71.95 / each

$283.80 / box
4 x $70.95

50 VA Fan Center w/ DPST switch including R8222U

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Product Specifications
Type:	Double Pole Single Throw
Voltage (Primary):	120v

50 VA Fan Center w/ DPST Switch, Includes R8222U

SKU: R8285D5001
Brand: Honeywell

In Stock!

73 Avail (Ships in 24-48 Hrs)

$28.95 / each

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Product Specifications
Replaces:	SV9501M8103
Gas Type:	Natural Gas
Body Pattern:	Straight-Through
Voltage:	24 VAC
Ignition Trial Time:	90 sec
Inlet Size:	1/2" NPT
Outlet Size:	1/2" NPT
Ignition Type:	Intermittent Hot Surface Pilot
Ignition Trials to Lockout:	Continuous Retry

1/2" NPT Intermittent HSI
Fast-Fast Opening
SmartValve

SKU: SV9501M8129
Brand: Honeywell

In Stock!

24 Avail (Ships in 24-48 Hrs)

$135.00 / each

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Product Specifications
Product Type:	Replacement Head
Accessory For:	V8043A Series
Application:	Replacement Part
Used with Valve:	Two-Way
Valve Action:	Spring Return to Close
Voltage:	24v
Max Ambient:	125°F
Wiring:	18" Leads
Hertz:	60

Replacement Head
for V8043A, (24V, 60 Hz)

SKU: 40003916-021
Brand: Honeywell

In Stock!

13 Avail (Ships in 24-48 Hrs)

$48.29 / each

$186.20 / box
4 x $46.55

High Limit Horizontal Mount Triple Aquastat Relay, High = 10°F Diff, Low Limit = 10-25° Adj Differential

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Product Specifications
Application:	High Limit
	Triple Aquastat Relay
Switch Action:	SPST
Temperature Range (F):	130°F to 240°F
	110°F to 220°F
Electrical Rating:	Burner: 3.7 A @ 240 Vac
	Burner: 7.4 A @ 120 Vac
	Circulator: 3.7 A @ 240 Vac
Electrical Ratings (ALR):	Burner: 44.4 A @ 120 Vac

High Limit Horiz. Mount Triple Aquastat Relay

SKU: L8124C1003
Brand: Honeywell

In Stock!

35 Avail (Ships in 24-48 Hrs)

$164.95 / each

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Product Specifications
Application:	Heat Pump
Stages:	2 Heat/1 Cool
Programmability:	5-2 Day
	Programmable
User Interface:	Push Button
Mount:	Horizontal
Options:	Fan Control
Power Method:	Hardwired
	Battery

Pro Programmable
2H/1C Standard Display Thermostat

SKU: TH4210D1005
Brand: Honeywell

In Stock!

37 Avail (Ships in 24-48 Hrs)

$39.91 / each

$155.80 / box
4 x $38.95

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Product Specifications
Application:	Heat Only
Stages:	1 Heat
Programmability:	Non-Programmable
User Interface:	Mechanical
Mount:	Vertical
Power Method:	Mechanical
Temperature Range (F):	45°-95°F
Voltage:	Low voltage
Amperage:	0.02-1

Mercury Free T822, Heat Only, Vertical Thermostat

SKU: T822K1018
Brand: Honeywell

In Stock!

89 Avail (Ships in 24-48 Hrs)

$19.34 / each

$75.80 / box
4 x $18.95

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Product Specifications
Gas Type:	Natural Gas
Body Pattern:	Straight-Through
Voltage:	24 VAC
Inlet Size:	1/2" NPT
Outlet Size:	1/2" NPT
Ignition Type:	Intermittent Pilot

Standard Dual Intermittent Pilot Gas Valve

SKU: VR8204A2076
Brand: Honeywell

In Stock!

40 Avail (Ships in 24-48 Hrs)

$84.59 / each

$248.85 / box
3 x $82.95

Fan and Limit Controller w/ 125 F fan on/100 F fan off, 200 F high limit, 11-1/2" Insertion

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Product Specifications
Application:	Fan Control
	Limit Control
Temperature Range (F):	100°F to 250°F
Element Length:	11-1/2"
Fan Off:	50°F to 200°F
Fan On:	65°F to 215°F
High Limit Stop:	200°F
Fan-Off Stop:	100°F
Fan-On Stop:	125°F

Fan/Limit Controller
125°F On/100°F Off 200°F high limit, 11-1/2" Insert

SKU: L4064B2210
Brand: Honeywell

In Stock!

38 Avail (Ships in 24-48 Hrs)

$58.97 / each

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Product Specifications
Application:	Triple Aquastat Relay
	Low Limit
	High Limit
	Circulator Control
Temperature Range (F):	130°F to 240°F
	110°F to 220°F
Electrical Rating:	Burner: 7.4 A @ 120 Vac
	Burner: 3.7 A @ 240 Vac
	Circulator: 7.4 A @ 120 Vac

High Limit Protection
Low Limit & Circulator Triple Aquastat Relay

SKU: L8124A1007
Brand: Honeywell

In Stock!

53 Avail (Ships in 24-48 Hrs)

$155.00 / each

Standard Pilot Gas Valve - 24 Vac - 3/4" x 3/4" Inlet/Outlet Size

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Product Specifications
Gas Type:	Liquid Propane
	Natural Gas
Body Pattern:	Straight-Through
Voltage:	24 VAC
Inlet Size:	3/4" NPT
Outlet Size:	3/4" NPT
Ignition Type:	Standing Pilot

Standard Pilot Gas Valve
24V, 3/4" x 3/4" Inlet/Outlet

SKU: V800A1088
Brand: Honeywell

In Stock!

67 Avail (Ships in 24-48 Hrs)

$122.55 / each

81 - 100 of 1609

More about Honeywell

Honeywell can trace its roots back to 1885, but became the company we know in 1904 when a young engineer named Mark Honeywell perfected the heat generator as part of his plumbing and heating business. Since then, Honeywell has become a global leader in plumbing and heating supplies and sells some of the most popular and recognizable thermostats, aquastats, and controls available.

Air Eliminators	Nipples
Air Valves	Pipe Insulation
Aquastats & Wells	Pressure Valves
Baseboard Heaters	Pumps & Flanges
Boilers	Radiant Heat
Expansions Tanks	Radiator Valves
Fittings	Relief Valves
Flow Controls Valves	Switching Relays
Flow Switches	Tekmar Controls
Gas Valves	Temperature Controllers
Gauges	Thermocouples
Heating Specialties	Thermostats
Kickspace Heaters	Transformers
Low Water Cutoffs	Water Feeders
Mixing Valves	Zone Valves & Controls

Access Doors	PEX Plumbing
Backflow Preventers	Plumbing Specialties
Chemicals & Compounds	Pumps
Expansion Tanks	Solder
Faucets & Sinks	Stops & Risers
Fittings	Tools
Flush Valves	Toilet Parts
Grease Traps	Tub & Shower Products
Outlet Boxes	Tubular Goods & P-Traps
Nipples	Valves
Pipe Hangers	Water Filters
Pipe Insulation	Water Heaters

Air Cleaners	HVAC Controls
Air Conditioners	Line Sets
AC Install Parts	Mini-Split Air Conditioners
Condensate Pumps	Replacement Parts
Dampers	Registers & Grilles
Dehumidifiers	Replacement Filters
Filter Driers	Thermostats
Flex Duct	Tools
Humidifiers	Ventilation Fans

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Radiant Heat & Heating Supplies

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