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Thermolec Electric Plenum Heaters


The most reliable plenum heater available

  • 10-year warranty on high grade nickel-chrome elements.
  • Automatic and manual-reset high temperature cut-outs prevent overheating.
  • Magnetic back-up safety contactor.
  • Magnetic quiet relays provide silent switching and long service life.
  • Magnetic quiet fan relay.
  • 24VAC control transformer.
  • Circuit breakers.
  • One-size-frame-fits-all plenums up to 20 KW and units are baffled for A/C installation.
  • Three phase units available - Call for pricing

PDF Documents:
Brochure | Installation Manual | Parts Reference Guide

Free Freight* on all Thermolec Plenum Heaters in lower 48

BlueRidge Company only processes warranty returns on products originally purchased from us.

↓   Standard Plenum Heater   ↓

10 KW@240V Vertical Plenum Heater

Part No: T-10U STD

$820.82 each

15 KW@240V Vertical Plenum Heater

Part No: T-15U STD

$916.37 each

20 KW@240V Vertical Plenum Heater

Part No: T-20U STD

$976.43 each

25 KW@240V Vertical Plenum Heater

Part No: T-25U STD

$1316.77 each

30 KW@240V Vertical Plenum Heater

Part No: T-30U STD

$1498.77 each
↓   Modulating Plenum Heater   ↓

10 KW@240V Vertical Plenum Heater

Part No: T-10U MOD HPX

$1066.52 each

15 KW@240V Vertical Plenum Heater

Part No: T-15U MOD HPX

$1239.42 each

20 KW@240V Vertical Plenum Heater

Part No: T-20U MOD HPX

$1284.92 each

25 KW@240V Vertical Plenum Heater

Part No: T-25U MOD HPX

$1611.91 each

30 KW@240V Vertical Plenum Heater

Part No: T-30U MOD HPX

$1904.24 each
↓   Replacement Parts List   ↓

Relay Board for Modulating Plenum Heater (i6-2 four HPX PH)

Part No: 10-02-032

$124.39 each
↓  Thermolec Parts & Accessories   ↓

60 Amp breaker (3-phase)

Part No: CDS-180

$120.40 each

D35 SCR Controller
Thermolec_D35.pdf

Part No: 07-02-012

$350.00 each

TER Thermistor

Part No: 07-02-101

$31.85 each

SCR Room Stat (RT-1030)

Part No: 07-02-102

$117.39 each

07-02-104 D-21T Controller

Part No: 07-02-104

$253.75 each

D22-T 07-02-105 Controller

Part No: 07-02-105

$253.75 each

D22-P SCR Controller
Thermolec_D21-P.pdf

Part No: 07-02-106

$253.75 each

D21-P SCR Controller
Thermolec_D21-P.pdf

Part No: 07-02-107

$253.75 each

D46 Hybrid sequential step controller
Thermolec_D46.pdf

Part No: 07-02-108

$662.45 each

D21-PS SCR Controller

Part No: 07-02-109

$253.75 each

Retro Plenum Heater Main Control Board

Part No: 10-01-015

$205.66 each

Retro Plenum Heater Relay Board

Part No: 10-01-016

$92.82 each

Retro Current Sensing Relay Board (CS-1 Board)

Part No: 10-01-017

$92.82 each

AC Current Sensing Relay

Part No: 10-01-018

$55.51 each

TH-600 HPX Mod HPX Control Board

Part No: 10-01-019

$205.66 each

FER/NER (.3 Amp) Current Sensor

Part No: 10-01-020

$80.84 each

Back-up Contactor to Manual Cut-out 50 amp (spade style)(FFB, TMB, CCT050 or CBLR042)

Part No: 10-02-005

$49.99 each

Back-up Contactor to Manual Cut-out (CCT070, 3 Pole 70AMP 600V)

Part No: 10-02-0055

$58.44 each

Oper. Contactor/Pump Relay/HTR Relay (CCT-140, 25 AMP 240V)
Element Activation Relay for select FFB models

Part No: 10-02-006

$49.99 each

Fan Relay/HPX Heat Pump Lock-out Relay, 240V, 5 pole (CCT-010)

Part No: 10-02-0105

$33.23 each

TH400 STD PH Control Board

Part No: 10-02-011

$213.00 each

Heating Element T-10U, T-20U, T-30U (1J24, 5000W 240V)

Part No: 10-02-014

$48.00 each

Heating Element T-15U (1B22, 3750W 240V)

Part No: 10-02-015

$52.39 each

Heating Element T-25U (1V24, 4160W 240V)

Part No: 10-02-016

$48.00 each

BIR, HIR, OPR Isolation Relays 24V (CCT-144)

Part No: 10-02-017

$42.46 each

Plenum Temp Sensor, Modulating Plenum Heater

Part No: 10-02-019

$61.85 each

Porcelain Insulator

Part No: 10-02-020

$0.98 each

Standard Plenum Heater Relay Board

Part No: 10-02-031

$125.79 each

Modulating Plenum Heater Relay Board

Part No: 10-02-029

$113.75 each

TMB TH22 Controller Field Replacement Kit includes a TH22 board, 50 AMP SSR and other miscellaneous components required for field replacement.Must be installed by an electric contractor.

Part No: 16-04-250

$333.47 each

TH22 Control Board Replacement

Part No: 16-04-300

$241.28 each

TH-600D Control Board for FFB Models & Mod Plenum Heaters

Part No: 17-00-100

$234.69 each

SSR Relay 50 Amp

Part No: 17-01-115

$99.70 each

3kw Heating Element

Part No: 17-02-101

$72.57 each

5kw Heating Element

Part No: 17-02-102

$118.65 each

5.75kw Heating Element

Part No: 17-02-103

$72.57 each

Temperature/Pressure Gauge

Part No: 17-02-104

$43.36 each

Pressure Relief Valve - 30 psi, 3/4"

Part No: 17-02-105

$49.99 each

Electronic Temp. Sensor - Supply Water (CBLR130) for old style tanks
DISCONTINUED, Replaced with CBLR-131(Part#17-02-150)

Part No: 17-02-107

TH-600D Control Board for FFB Models & old style Mod Plenum Heaters
DISCONTINUED, Replaced with part# 17-00-100

Part No: 17-02-109

TH-600M Control Board for Mono Models

Part No: 17-02-110

$215.39 each

(TH-600) Dual Temperature Board/FFB (DFC) Model

Part No: 17-02-10959

$226.59 each

TH-600D / FFB / Dual Temp / OS

Part No: 17-02-118

$226.59 each

Circuit Breaker 30 amp

Part No: 17-02-111

$49.99 each

B-18(u) 2 Breaker Covers

Part No: 17-02-11888

$64.61 each

Circuit Breaker 20 amp

Part No: 17-02-1115

$49.69 each

Circuit Breaker 40 amp

Part No: 17-02-112

$49.99 each

Circuit Breaker 50 amp

Part No: 17-02-113

$89.65 each

Circuit Breaker 60 amp

Part No: 17-02-114

$53.72 each

Solid State Relay 50 amp

Part No: 17-02-115

$93.71 each

Solid State Relay 100 amp

Part No: 17-02-11590

$125.35 each

Control Transformer 30VA 240/24V

Part No: 17-02-116

$32.05 each

Control Fuse 2 amp

Part No: 17-02-117

$15.60 each

Outdoor Sensor (S-15)

Part No: 17-02-119

$63.15 each

Carbon Steel Tank Gasket (old style)

Part No: 17-02-120

$18.72 each

Boiler Element Hardware Kit

Part No: 17-02-126

$10.13 each

Tank Temperature Sensor Kit (CBLR-131)

Part No: 17-02-150

$74.75 each

Manual Hi Limit 200F

Part No: 17-02-155

$38.99 each

TH600M Control Board

Part No: 17-02-140

$294.69 each

Stainless Steel Tank Assembly
Special Order 10-Day Lead Time

Part No: 17-03-004

$733.79 each

8.75kw Heating Element (CBLR058)

Part No: 17-02-160

$131.01 each

10kw Heating Element (CBLR059)

Part No: 17-02-161

$140.04 each

Stainless Steel Tank Gasket (current style)

Part No: 17-02-162

$39.00 each

Control Transformer 50VA 240/24V

Part No: 17-02-163

$43.95 each

LCD Thermostat

Part No: 10-02-0027

$229.00 each

D23 TF Control board for FER and NER make up air units

Part No: 11-02-036

$262.85 each

CTH291 and DS600 set point duct sensor sold as pair

Part No: CTH291-DS600

$319.37 each

D46-4 controller for Trane RTU

Part No: D46-4

$842.15 each

Filter Set for PH7.15 Unit

Part No: 02-02-300

$56.62 each

CMUP-120 for FER

Part No: 15-03-055

$309.40 each

4 Elements Stainless Steel Cover for boiler tanks

Part No: 18-05-012

$61.43 each

Automatic Reset Cut-Out (CCO010)

Part No: 10-02-003

$45.68 each

PH Manual Hi Limit (CCO030)

Part No: 10-02-999

$45.68 each

B/U Contactor 50 amp (lug style)

Part No: 10-02-0049

$33.61 each

Acu-Steam Water Line Filter

Part No: 08-02-001

$47.95 each

Acu-Steam Maintenance Kit

Part No: 08-01-025

$126.93 each

Acu-Steam Bottom Tank with Gasket

Part No: 08-01-019

$172.75 each

Acu-Steam Supply Water Electronic Solenoid Valve

Part No: 08-01-016

$54.22 each

Acu-Steam Element 1.5 Kw

Part No: 08-01-006

$79.15 each

Thermolec Heating Element

Part No: 1R28

$176.65 each

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