Back

HVAC

Control Stat Relays

205 Products

Ducane Air Pressure Switch, 0.40"WC PF
SKU:DUCR102614-01
MPN: R102614-01
Stock Available: 0
Order #: 01023709
$57.99

Out of Stock

Ducane Limit Switch
SKU:DUC87H90
MPN: 87H90
Stock Available: 1
Order #: 01023703
$27.85
Ducane Limit Switch
SKU:MAG36W90
MPN: 36W90
Stock Available: 10+
Order #: 02010620
$45.99
McDonnell & Miller Cartridge and Strainer Kit, Model CTRD-101
SKU:MCDCTRD-101
MPN: 310453
Stock Available: 2
Order #: 02005844
$359.99
Mcdonnell & Miller Tetraseal O-Ring
SKU:MCD37-101
MPN: 324435
Stock Available: 5
Order #: 02005807
$15.76
Thermostat Guard
SKU:TG501A-1002
MPN: MA-BTGUK2
Stock Available: 10+
Order #: 03004022
$26.99
Thermostat Guard
SKU:TG500A-1003
MPN: MA-BTGRK
Stock Available: 2
Order #: 03004020
$11.64
Tekmar 279 Outdoor Boiler Reset Control - One Stage
SKU:TEK279
MPN: 279
Stock Available: 2
Order #: 02007303
$2,023.00
Tekmar Outdoor Boiler Reset Control
SKU:TEK261
MPN: 261
Stock Available: 1
Order #: 02007297
$700.02
Tekmar Outdoor Boiler Reset Control 260
SKU:TEK260
MPN: 260
Stock Available: 2
Order #: 02007296
$690.99
Honeywell Heat Only Thermostat - Premier White
SKU:T822K-1018
MPN: T822K1018/U
Stock Available: 3
Order #: 02009316
$75.99
OEM Electric Low Water Cut-Off - 24V
SKU:OEM-24CM
MPN: 500SV
Stock Available: 5
Order #: 02006158
$409.99
Hydrolevel Company Electric Low Water Cut-Off
SKU:OEM-24C
MPN: 45-601
Stock Available: 2
Order #: 02006157
$409.99
Hydrolevel Electric Low Water Cut-Off - 120V
SKU:OEM-170CM
MPN: 550SV
Stock Available: 2
Order #: 02006154
$429.99
Hydrolevel Company Electric Low Water Cut-Off
SKU:OEM-170C
MPN: 45-651
Stock Available: 1
Order #: 02006153
$369.99
Honeywell Boiler Strap-On Aquastat Controller - 65º F - 200º F, SPDT
SKU:L6006C-1018
MPN: L6006C1018/U
Stock Available: 1
Order #: 02005009
$259.99
Honeywell Boiler Control Aquastat - 100º F - 240º F, SPDT
SKU:L6006A-1145
MPN: L6006A1145/U
Stock Available: 2
Order #: 02005008
$299.99
Honeywell High or Low Limit Aquastat - 40°F to 180°F
SKU:L4006A-1959
MPN: L4006A1959/U
Stock Available: 10+
Order #: 02004986
$279.99
Honeywell Boiler Control Aquastat
SKU:L4006A-1678
MPN: L4006A1678/U
Stock Available: 2
Order #: 02004985
$319.99
Crown Long Shank Aquastat Immersion Well 3/4"MPT, 6-3/8"OAL
SKU:121371M
MPN: PMW-3SE
Stock Available: 3
Order #: 02000190
$28.28
Crown Aquastat Well - 3/4"MIP 4-3/4" OAL
SKU:121371B
MPN: PMW-3S
Stock Available: 10+
Order #: 02000189
$28.04
Crown Aquastat Well 1/2" MPT OAL 4-3/4"
SKU:121371A
MPN: PMW-2S
Stock Available: 10+
Order #: 02000188
$29.99
White Rodgers Heat / Cool Thermostat
SKU:WHR1E56N-444
MPN: 1E56N-444
Stock Available: 2
Order #: 01052051
$75.58
White Rodgers Heat / Cool Thermostat
SKU:WHR1F56N-444
MPN: 1F56N-444
Stock Available: 6
Order #: 02010399
$66.31