HVACR Parts Controls Tools Training Testing, Tools & Training Test Instruments Temperature & Humidity Measurement Mainstream Engineering
256 Results
Robertshaw, Mainstream Engineering, Temperature & Humidity Measurement, Test Instruments, Testing, Tools & Training, Training, Tools, Controls, HVACR Parts
L37-437
Millivolt Compact Gas Valve
Valve Type: Millivolt; Gas Type: Natural; Inlet Conn.: 1/2"; Outlet Conn.: 1/2"; Capillary Length: N/A; Replaces Gen. Controls #: B67;
Brand: Robertshaw
Mfg #: 710-502
B13-041
EPA Section 608 Study Course Qwik608®
Description: Qwik608® — English (includes: "Field Reference Manual" and "QwikStudy™ Guide", software download code for EPA Section 608 interactive software, streamable Video, and downloadable or streamable Audio study materials) with paper test;
Brand: Mainstream Engineering
Mfg #: QT3000
L38-364
700 Series Pilot, Direct and Hot Surface Ignition
Description: Valve for Natural Gas;
Brand: Robertshaw
Mfg #: 700-059
B22-048
Full Gauge Digital Defrost Controller
Description: NTC Probe Freezer Controller with three relay outputs and two temperature sensors (Comp. / Fans/ Defrost)
 ; Volts: 120/240V;
Brand: Robertshaw
Mfg #: TC-900E-2HP
B22-045
Full Gauge Digital Defrost Controller
Description: NTC probe Digital Controller for Medium and High Temp Applications – one sensor included
 ; Volts: 120/240V;
Brand: Robertshaw
Mfg #: MT-512E-2HP
L37-846
700 Millivolt Combination Gas Valve
Volts: 250mV to 750mV; BtuH Capacity: 300,000; Inlet Conn.: 3/4"; Outlet Conn.: 3/4"; Bushings: Two 3/4" x 1/2"; Side Tap: No;
Brand: Robertshaw
Mfg #: 700-506
L46-987
Universal Air Pressure Sensing Switch
Model #: NS2-0000-08; Description: Universal Air Sensing Switch Kit; Switch Action: Snap-acting; Type: Glass-Filled Polycarbonate Housing; Range: 0.10" W.C. to 10.0" W.C.; Temp. Range: -40°F to +190°F;
Brand: Robertshaw
Mfg #: 2374-510
L39-646
Intermittent Pilot Ignition Control
Lockout Timing: None; Prepurge Period: None; Description: Non-lockout;
Brand: Robertshaw
Mfg #: 780-715
L37-541
720 Series Standing Pilot Gas Valve
Inlet Conn.: 1/2"; Outlet Conn.: 3/4"; Bushings: One 3/4" x 1/2"; Side Tap: Yes;
Brand: Robertshaw
Mfg #: 720-402
L37-714
720 Series Dual Valve Control
Inlet Conn.: 1/2"; Outlet Conn.: 1/2"; Bushings: One 3/4" x 1/2" , One 1/2" x 3/8"; Side Tap: Yes;
Brand: Robertshaw
Mfg #: 720-474
L37-849
Universal Ignition Gas Valve
BtuH Capacity: 150,000; Inlet Conn.: 1/2"; Outlet Conn.: 3/4";
Brand: Robertshaw
Mfg #: 720-079
L36-403
700 Series 24V Combination Gas Valve
Volts: 24 VAC; BtuH Capacity: 240,000; Inlet Conn.: 1/2"; Outlet Conn.: 3/4"; Bushings: One 3/4" x 1/2"; Side Tap: No;
Brand: Robertshaw
Mfg #: 700-400
L39-648
Universal Ignition Control Uni-Kit
Lockout Timing: 90 Seconds; Prepurge Period: None; Description: Lockout;
Brand: Robertshaw
Mfg #: 780-845
L37-540
720 Series Dual Valve Control
Inlet Conn.: 1/2"; Outlet Conn.: 3/4"; Bushings: One 3/4" x 1/2" , One 1/2" x 3/8", One 3/4" x 3/8"; Side Tap: No;
Brand: Robertshaw
Mfg #: 720-400
B22-057
Full Gauge SITRAD Server and Gateway
Description: Server and Gateway for SITRAD compatible controllers;
Brand: Robertshaw
Mfg #: SitradInbox
L39-589
1751 Series Add-On Pressure Regulator Kit
Gas Type: LP; Low W.C. Pressure: 3.5"; High W.C. Pressure: 11.0";
Brand: Robertshaw
Mfg #: 1751-013
B22-046
Full Gauge Digital Defrost Controller
Description: Digital Controller for Medium and High Temp Applications + Sitrad + Datalogger with 1 sensor probe
 ; Volts: 120/240V;
Brand: Robertshaw
Mfg #: MT-512E-LOG
B22-049
Full Gauge Digital Defrost Controller
Description: NTC probe Freezer Controller with three relay outputs, two sensors, two digital inputs, Buzzer,Normal and economy setpoint modes and built-in datalloger + Sitrad
 ; Volts: 120/240V;
Brand: Robertshaw
Mfg #: TC-900E-LOG
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