HVAC Controls

Increase energy savings and easily control heating and cooling systems with HVAC controls. Utilize easy-to-install fresh air ventilation panels, furnace control boards, HVAC control boards, building automation panels, and kits to introduce clean air into buildings. Control multiple aspects of a system with highly universal digital controls. Also, shop our selection of replacement parts for controllers and larger equipment, defrost controllers, even fireplace controls. Our specialty controls selection addresses unique problems that push the boundaries of innovation within the industry. If you are a contractor check out items like the Wireless Lodge Watch from iO HVAC Controls or the Duel Fuel Kit.

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Showing 1825–1872 of 3399 resultsSorted by popularity

RLGP‑G Low Gas Pressure Switch .5-4″ W.C.

A.J. Antunes

SKU: 8104116102
$91.70
MSRP: $105.46
You save 15%
A.J. Antunes 8104116102 RLGP‑G Low Gas Pressure Switch .5-4" W.C. quantity
LGP‑G Low Gas Pressure Switch 7-55″ W.C.

A.J. Antunes

SKU: 8103116407
$103.45
MSRP: $118.97
You save 15%
A.J. Antunes 8103116407 LGP‑G Low Gas Pressure Switch 7-55″ W.C. quantity
LGP‑G Low Gas Pressure Switch 5-30″ W.C.

A.J. Antunes

SKU: 8103116303
$103.45
MSRP: $118.97
You save 15%
A.J. Antunes 8103116303 LGP‑G Low Gas Pressure Switch 5-30" W.C. quantity
Low Gas Pressure Switch 1-20″ W.C.

A.J. Antunes

SKU: 8103116215
$125.78
MSRP: $144.65
You save 15%
A.J. Antunes 8103116215 Low Gas Pressure Switch 1-20" W.C. quantity
RHGP‑G High Gas Pressure Switch 1-4 PSI

A.J. Antunes

SKU: 8102113005
$91.70
MSRP: $105.46
You save 15%
A.J. Antunes 8102113005 RHGP‑G High Gas Pressure Switch 1-4 PSI quantity
High Gas Pressure Switch 5-35″ W.C.

A.J. Antunes

SKU: 8102111305
$122.84
MSRP: $141.27
You save 15%
A.J. Antunes 8102111305 High Gas Pressure Switch 5-35″ W.C. quantity
RHGP‑G High Gas Pressure Switch 5-35″ WC

A.J. Antunes

SKU: 8102111304
$91.70
MSRP: $105.46
You save 15%
A.J. Antunes 8102111304 RHGP‑G High Gas Pressure Switch 5-35″ WC quantity
RHGP‑G High Gas Pressure Switch 2-20″

A.J. Antunes

SKU: 8102111203
$91.70
MSRP: $105.46
You save 15%
A.J. Antunes 8102111203 RHGP‑G High Gas Pressure Switch 2-20″ quantity
High Gas Pressure Switch .8-4″ W.C.

A.J. Antunes

SKU: 8102111102
$91.70
MSRP: $105.46
You save 15%
A.J. Antunes 8102111102 High Gas Pressure Switch .8-4" W.C. quantity
10–60″ WC High Gas Pressure Switch

A.J. Antunes

SKU: 8101111407
$103.45
MSRP: $118.97
You save 15%
A.J. Antunes 8101111407 10–60″ WC High Gas Pressure Switch quantity
High Gas Pressure Switch – 8″–35″ WC

A.J. Antunes

SKU: 8101111303
$103.45
MSRP: $118.97
You save 15%
A.J. Antunes 8101111303 High Gas Pressure Switch – 8″–35″ WC quantity
HGP‑G Manual‑Reset High Gas Pressure Switch

A.J. Antunes

SKU: 8101111202
$103.45
MSRP: $118.97
You save 15%
A.J. Antunes 8101111202 HGP‑G Manual‑Reset High Gas Pressure Switch quantity
RHLGP‑D High & Low Gas Pressure Switch

A.J. Antunes

SKU: 804114302
$462.71
MSRP: $532.12
You save 15%
A.J. Antunes 804114302 RHLGP‑D High & Low Gas Pressure Switch quantity
High & Low Gas Pressure Switch 5-28″W.C.

A.J. Antunes

SKU: 804114301
$462.71
MSRP: $532.12
You save 15%
A.J. Antunes 804114301 High & Low Gas Pressure Switch 5-28"W.C. quantity
Differential Pressure Switch .017-6.0″

A.J. Antunes

SKU: 8621204007
$288.23
MSRP: $331.46
You save 15%
A.J. Antunes 8621204007 Differential Pressure Switch .017-6.0" quantity
HLGP‑D Dual High & Low Gas Pressure Switch

A.J. Antunes

SKU: 804114203
$486.21
MSRP: $559.14
You save 15%
A.J. Antunes 804114203 HLGP‑D Dual High & Low Gas Pressure Switch quantity
HLGP‑D Dual Gas Pressure Switch

A.J. Antunes

SKU: 804114202
$486.21
MSRP: $559.14
You save 15%
A.J. Antunes 804114202 HLGP‑D Dual Gas Pressure Switch quantity
RHLGP‑A Dual High & Low Gas Pressure Switch

A.J. Antunes

SKU: 804112109
$301.74
MSRP: $347.00
You save 15%
A.J. Antunes 804112109 RHLGP‑A Dual High & Low Gas Pressure Switch quantity
RHLGP‑A High & Low Gas Pressure Switch

A.J. Antunes

SKU: 804112108
$304.94
MSRP: $350.68
You save 15%
A.J. Antunes 804112108 RHLGP‑A High & Low Gas Pressure Switch quantity
RHLGP‑A High & Low Gas Pressure Switch

A.J. Antunes

SKU: 804112106
$301.74
MSRP: $347.00
You save 15%
A.J. Antunes 804112106 RHLGP‑A High & Low Gas Pressure Switch quantity
RHLGP-A High & Low Gas Pressure Switch

A.J. Antunes

SKU: 804112105
$301.74
MSRP: $347.00
You save 15%
A.J. Antunes 804112105 RHLGP-A High & Low Gas Pressure Switch quantity
2-16″ High & 2-14″ Low Pressure Switch

A.J. Antunes

SKU: 804112104
$301.74
MSRP: $347.00
You save 15%
A.J. Antunes 804112104 2-16″ High & 2-14″ Low Pressure Switch quantity
RHLGP-A High & Low Gas Pressure Switch

A.J. Antunes

SKU: 804112103
$301.74
MSRP: $347.00
You save 15%
A.J. Antunes 804112103 RHLGP-A High & Low Gas Pressure Switch quantity
RHLGP-A High & Low Gas Pressure Switch

A.J. Antunes

SKU: 804112102
$301.74
MSRP: $347.00
You save 15%
A.J. Antunes 804112102 RHLGP-A High & Low Gas Pressure Switch quantity
HLGP-A Dual High & Low Gas Pressure Switch

A.J. Antunes

SKU: 804111709
$313.49
MSRP: $360.51
You save 15%
A.J. Antunes 804111709 HLGP-A Dual High & Low Gas Pressure Switch quantity
HLGP-A High & Low Gas Pressure Switch

A.J. Antunes

SKU: 804111708
$313.49
MSRP: $360.51
You save 15%
A.J. Antunes 804111708 HLGP-A High & Low Gas Pressure Switch quantity
HLGP-A High & Low Gas Pressure Switch

A.J. Antunes

SKU: 804111707
$313.49
MSRP: $360.51
You save 15%
A.J. Antunes 804111707 HLGP-A High & Low Gas Pressure Switch quantity
HLGP-A High & Low Gas Pressure Switch

A.J. Antunes

SKU: 804111706
$313.49
MSRP: $360.51
You save 15%
A.J. Antunes 804111706 HLGP-A High & Low Gas Pressure Switch quantity
HLGP-A High & Low Gas Pressure Switch

A.J. Antunes

SKU: 804111705
$313.49
MSRP: $360.51
You save 15%
A.J. Antunes 804111705 HLGP-A High & Low Gas Pressure Switch quantity
HLGP-A High & Low Gas Pressure Switch

A.J. Antunes

SKU: 804111704
$313.49
MSRP: $360.51
You save 15%
A.J. Antunes 804111704 HLGP-A High & Low Gas Pressure Switch quantity
HLGP‑A High & Low Gas Pressure Switch

A.J. Antunes

SKU: 804111703
$313.49
MSRP: $360.51
You save 15%
A.J. Antunes 804111703 HLGP‑A High & Low Gas Pressure Switch quantity
High & Low Gas Pressure Switch

A.J. Antunes

SKU: 804111701
$313.49
MSRP: $360.51
You save 15%
A.J. Antunes 804111701 High & Low Gas Pressure Switch quantity
RLGP‑D Low Gas Pressure Switch

A.J. Antunes

SKU: 803114102
$272.95
MSRP: $313.89
You save 15%
A.J. Antunes 803114102 RLGP‑D Low Gas Pressure Switch quantity
RLGP‑D Auto‑Reset Low Gas Pressure Switch

A.J. Antunes

SKU: 803114101
$272.95
MSRP: $313.89
You save 15%
A.J. Antunes 803114101 RLGP‑D Auto‑Reset Low Gas Pressure Switch quantity
High Gas Pressure Switch 10–50″ W.C.

A.J. Antunes

SKU: 803114002
$198.94
MSRP: $228.78
You save 15%
A.J. Antunes 803114002 High Gas Pressure Switch 10–50″ W.C. quantity
High Gas Pressure Switch 5-28″ W.C.

A.J. Antunes

SKU: 803114001
$272.95
MSRP: $313.89
You save 15%
A.J. Antunes 803114001 High Gas Pressure Switch 5-28″ W.C. quantity
LGP‑D 10–50″ WC Low Gas Pressure Switch

A.J. Antunes

SKU: 803113902
$283.53
MSRP: $326.06
You save 15%
A.J. Antunes 803113902 LGP‑D 10–50″ WC Low Gas Pressure Switch quantity
LGP‑D 2‑14″ DPDT Low Gas Pressure Switch

A.J. Antunes

SKU: 803113901
$283.53
MSRP: $326.06
You save 15%
A.J. Antunes 803113901 LGP‑D 2‑14″ DPDT Low Gas Pressure Switch quantity
HGP‑D High Gas Pressure Switch 10-50″ WC

A.J. Antunes

SKU: 803113802
$283.53
MSRP: $326.06
You save 15%
A.J. Antunes 803113802 HGP‑D High Gas Pressure Switch 10-50″ WC quantity
DPDT High Gas Pressure Switch 1/4″

A.J. Antunes

SKU: 803113801
$283.53
MSRP: $326.06
You save 15%
A.J. Antunes 803113801 DPDT High Gas Pressure Switch 1/4" quantity
High Gas Pressure Switch 6 to 15 PSI

A.J. Antunes

SKU: 803113402
$180.71
MSRP: $207.82
You save 15%
A.J. Antunes 803113402 High Gas Pressure Switch 6 to 15 PSI quantity
RHGP‑H High Gas Pressure Switch 1/4″

A.J. Antunes

SKU: 803113401
$180.71
MSRP: $207.82
You save 15%
A.J. Antunes 803113401 RHGP‑H High Gas Pressure Switch 1/4" quantity
RLGP‑H Low Gas Pressure Switch 1/4″

A.J. Antunes

SKU: 803113302
$180.71
MSRP: $207.82
You save 15%
A.J. Antunes 803113302 RLGP‑H Low Gas Pressure Switch 1/4" quantity
Auto‑Reset Low Gas Pressure Switch 1/4″

A.J. Antunes

SKU: 803113301
$180.71
MSRP: $207.82
You save 15%
A.J. Antunes 803113301 Auto‑Reset Low Gas Pressure Switch 1/4" quantity
Low Gas Pressure Switch 1/4″ Connection

A.J. Antunes

SKU: 803113102
$178.63
MSRP: $205.42
You save 15%
A.J. Antunes 803113102 Low Gas Pressure Switch 1/4" Connection quantity
LGP‑H Low Gas Pressure Switch 1/4″

A.J. Antunes

SKU: 803113101
$187.76
MSRP: $215.92
You save 15%
A.J. Antunes 803113101 LGP‑H Low Gas Pressure Switch 1/4" quantity
High Gas Pressure Switch 10-50″  W.C.

A.J. Antunes

SKU: 803112803
$151.93
MSRP: $174.72
You save 15%
A.J. Antunes 803112803 High Gas Pressure Switch 10-50″  W.C. quantity
RHGP‑A High Gas Pressure Switch 5-28″ W.C.

A.J. Antunes

SKU: 803112802
$151.93
MSRP: $174.72
You save 15%
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