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Shipping nationwide to the USA + Canada

Shipping nationwide to the USA + Canada

Controls & Regulators

247 parts · 200 in stock

Controls & Regulators

Showing 1–36 of 200 in stock

Out of stock

47 parts we carry but don't have on the shelf right now.

PartBrandPart #SKUPrice
Honeywell #Q340A1066 18" Thermocouple Q340 Honeywell Q340A1066 15452 $12.59
Honeywell #Q390A1061 36" Thermocouples Q390 Honeywell Q390A1061 93003 $8.98
Honeywell #R845A1030 Hydronic Switching Relay Honeywell R845A1030 15445 $102.25
Honeywell #RA832A1066 Hydronic Switching Relay Honeywell RA832A1066 15444 $103.72
Honeywell #V8043A1003 1/2" Zone Valve 24V 3.5 Cv Flare 18" LW Honeywell V8043A1003 1217696 $140.17
Honeywell Home #R7284U1004/U Universal Oil Primary Safety Switch Honeywell Home R7284U1004/U 968482 $112.74
Laars #FT1868 Cascade System Sensor Laars FT1868 1193690 $63.97
Laars #RXD7234 Control Module Laars RXD7234 1207185 $626.09
Lochinvar #100167824 Integrated Control KBN501 After H10 Lochinvar 100167824 955676 $640.19
Lochinvar #100208544 Outlet Sensor / Hi Limit Lochinvar 100208544 955822 $48.61
Lochinvar #100232602 BACnet MS/TP Field Kit for FTXL Series Boilers Lochinvar 100232602 1045585 $331.70
Lochinvar #100278134 User Interface KH/WH/FTX Lochinvar 100278134 1048889 $334.73
Lochinvar #100335986 Flow Switch w/ #2 Paddle Lochinvar 100335986 1180185 $284.53
Lochinvar #100354895 1" WC Air Pressure Switch Lochinvar 100354895 1139329 $115.36
McDonnell & Miller #FPC-1000-P Universal Probe LWCO 24V/120V Water/Steam Auto/Man Reset Mcdonnell Miller FPC-1000-P 1173359 $278.39
McDonnell & Miller #FS-251 1in General Purpose Liquid Flow Switch NEMA 1 Mcdonnell Miller FS-251 924976 $196.23
McDonnell & Miller #FS-254 1in General Purpose Flow Switch NEMA 4 - 1" NPT Mcdonnell Miller FS-254 924172 $272.96
Navien #GXXX000546 Ready-Link Cascade Communication Cable Navien GXXX000546 1022970 $25.65
Powers #590-CD075H Self-Operating CD-Type Regulator - Single Seat Powers 590-CD075H 15701 $689.78
Powers #590-CD100H Self-Operating CD-Type Regulator - Single Seat Powers 590-CD100H 15702 $1,164.00
Powers #590-CD125H Self-Operating CD-Type Regulator - Single Seat Powers 590-CD125H 15703 $727.30
Powers #590-CD150H Self-Operating CD-Type Regulator - Single Seat Powers 590-CD150H 15704 $1,197.08
Powers #590-DS100H Self-Operating DS-Type Regulator - Double Seat Powers 590-DS100H 15711 $1,250.56
Powers #590-DS125H Self-Operating DS-Type Regulator - Double Seat Powers 590-DS125H 15712 $1,725.00
Powers #590-DS150H Self-Operating DS-Type Regulator - Double Seat Powers 590-DS150H 15713 $1,622.66
Powers #590-DS200H Self-Operating DS-Type Regulator - Double Seat Powers 590-DS200H 15714 $3,157.52
Powers #590-ST050C Self-Operating ST-Type Regulator - Single Seat Powers 590-ST050C 15708 $563.29
Powers #590-ST050H Self-Operating ST-Type Regulator - Single Seat Powers 590-ST050H 15705 $975.00
Powers #590-ST075C Self-Operating ST-Type Regulator - Single Seat Powers 590-ST075C 15709 $911.80
Powers #590-ST075H Self-Operating ST-Type Regulator - Single Seat Powers 590-ST075H 15706 $854.16
Powers #590-ST100C Self-Operating ST-Type Regulator - Single Seat Powers 590-ST100C 15710 $1,274.00
Powers #590-ST100H Self-Operating ST-Type Regulator - Single Seat Powers 590-ST100H 15707 $1,084.00
Powers #590-WM100M Self-Operating WM-Type Regulator - Water Mix 3-Way Powers 590-WM100M 15716 $1,005.00
Powers #590-WM125M Self-Operating WM-Type Regulator - Water Mix 3-Way Powers 590-WM125M 15717 $1,370.00
Powers #590-WM150M Self-Operating WM-Type Regulator - Water Mix 3-Way Powers 590-WM150M 15718 $1,583.00
Powers #590-WM200M Self-Operating WM-Type Regulator - Water Mix 3-Way Powers 590-WM200M 15719 $1,767.84
Powers #700-C08DN03 #11 Style D - Fixed Union Bulb 1" x 20" Bulb with 8' Capillary Powers 700-C08DN03 15722 $655.50
Powers #700-C08DN04 #11 Style D - Fixed Union Bulb 1" x 20" Bulb with 8' Capillary Powers 700-C08DN04 15723 $655.50
Powers #700-C08DN05 #11 Style D - Fixed Union Bulb 1" x 9" Bulb with 8' Capillary Powers 700-C08DN05 15724 $937.76
Powers #700-C08DN07 #11 Style D - Fixed Union Bulb 1" x 9" Bulb with 8' Capillary Powers 700-C08DN07 15726 $655.50
Powers #709-075 1" x 20" Style S - Bulb Well Powers 709-075 15730 $182.74
Powers #709-193 1" x 9" Wells Style S - Bulb Well Powers 709-193 15732 $129.09
Powers #7441214 Accritem Rigid Bulb Temperature Controller Powers 7441214 15734 $1,920.09
Taco #SR501-EXP-4 1 Zone Switching Relay 120V EXP Taco SR501-EXP-4 1063324 $164.44
U.S. Boiler #80160127 SPST Relay with Pilot U.S. Boiler 80160127 1161427 $72.37
Weil-Mclain #L91B1035 L91 Modulating Proportional Pressuretrol Controller Weil-Mclain L91B1035 49368 $584.59
Weil-Mclain #T991A1061 T991A Modulating Remote Bulb Temperature Controller Weil-Mclain T991A1061 36761 $866.22

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