Recently Viewed Products
-
2P-10 Solo Adhesive Kit
$42.98
-
1-1/2" Neo-Mold Tailpiece Washer
$0.94
-
1-1/4" x 1/2" Black 90° Elbow
$3.89
-
4" x 4" x 3/4" Copper Tee
$111.14Original price was: $111.14.$100.03Current price is: $100.03.
Honeywell L4103A1019 High Limit Aquastat Controller, 4″ Insulation (100 to 240 F)
- SKU: L4103A1019
- Brand: Honeywell
$317.52
The L4103A,B is an immersion-type controller for oil-fired water heaters. The Aquastat® Controller senses water temperature and cycles the burner through the oil primary. The high-limit controller breaks the circuit to the burner on a temperature rise past the factory-set setpoint. The L4103C is an immersion-type controller for gas systems that provides water temperature regulation. The high-limit controller breaks the circuit to the burner on a temperature rise past the factory-set setpoint.
Out of stock
refund
On orders over $99
Features:
- L4103A,B,C have a sensing element and a high limit sensor with automatic reset.
- Mounts on a horizontal immersion well in water heater wall.
- Adjustable temperature setting scale.
- Fluid-filled element operates SPST, Micro Switch snap-acting switch.
- Integral, nonadjustable high limit. L4103C is an immersion controller for gas systems.
- L4103A,B is an immersion controller for oil systems.
- Application: High Limit
- Spud Size: 3/4 in. NPT
- Switching Action: SPST, contacts break on temperature rise.
- Operating Temperature Range: 100 F to 240 F stop set at 150 F (Scale marked- Hot-Normal-Warm)
- Differential Temperature Range: 7 F +/- 4 F
- Mounting: Mounts on a horizontal immersion well in water heater wall
| Weight | 6.5 lbs |
|---|---|
| Brand | |
| Attachments | Specifications L41031A,B,C Combination Aquastat |
Download PDF
Related products
- Remove from Wishlist
-
Remove from Wishlist
SKU:6733
T6 Pro Programmable Thermostat, 3H/2C Heat Pump, 2H/2C Conventional (Model TH6320U2008)
$155.66Add to cartThe T Series programmable thermostat streamlines everything from product selection and installation to customer service and support. With a standard footprint and simple interface, the T Series will enhance the entire thermostat experience for you and your customers alike
- Remove from Wishlist
-
Remove from Wishlist
SKU:5329
Caleffi 3 Zone Expandable Switching Relay w/ Priority (ZSR103)
$204.26Add to cartThe ZSR series is a zone pump and boiler operating control for multiple zone hydronic heating systems. The ZSR series interfaces with low voltage thermostats, or any other low voltage controllers having a switching action.
- Remove from Wishlist
-
Remove from Wishlist
SKU:5009
Honeywell TH4110U2005 T4 Pro Programmable Thermostat, 1H/1C Heat Pump, 1H/1C Conventional
$63.27Read moreThe Honeywell T Series is a portfolio of non-connected and Wi-Fi connected thermostats designed with contractors in mind. With an interface you know, features you trust and the Honeywell quality you depend on in a sleek new aesthetic, the non-connected T Series thermostats are setting the new standard for simple installation, operation, and maintenance.
- Remove from Wishlist
- Remove from Wishlist
-
Remove from Wishlist
SKU:657
Standard Pilot Gas Valve – 120 Vac
$281.11Read moreUsed on gas fired standing pilot appliances with 30 mV thermocouple. These gas controls include a manual gas valve, safety shutoff, single millivoltage automatic operator, and pressure regulator, pilot gas filter and flow adjustment, pressure tapping, and thermocouple connector.
-
Remove from Wishlist
SKU:600
Standard Pilot Gas Valve – 24V – 3/4″ x 3/4″ Inlet/Outlet Size (Model V800A1591)
$439.00Add to cartUsed on gas fired standing pilot appliances with 30 mV thermocouple. These gas controls include a manual gas valve, safety shutoff, single millivoltage automatic operator, and pressure regulator, pilot gas filter and flow adjustment, pressure tapping, and thermocouple connector.

1" Copper x Mal...
1"x 3/4" x 1/2"...
1-1/2" Slip Cap...
2P-10 Debonder...
Stiebel Eltron ... 











