Honeywell Inc. Residential Div · Electronic Components
T678A1445
Switch, Thermostatic
Part NumberT678A1445
ManufacturerHoneywell Inc. Residential Div
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-951-2570 (NSN)
Federal Item NameSWITCH,THERMOSTATIC
Federal Supply Class5930 — Switches
Terminal TypeSCREW
Contact Action StimulusINCREASE
Operating Temp Rating13.0 CELSIUS MINIMUM AND 79.0 CELSIUS MAXIMUM
Contact AdjustabilityACTUATION POINT ADJUSTABLE
Mounting Facility PatternISOSCELES TRIANGLE
Temp Sensing Element TypeCAPILLARY TUBE-BULB
Style DesignatorRECTANGULAR
Overall Width2.625 INCHES NOMINAL
Shortest Horizontal Distance Betwe1.219 INCHES NOMINAL
Nonpile Up Contact Arrangement1 POLE, DOUBLE THROW, BOTH POSITIONS MAINTAINED
Mounting MethodSLOT
Vendor Part Numbers434159-1, T678A14459, 8283441 ITEM NO 48
RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is T678A1445 available?
We can source T678A1445 even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is T678A1445 by Honeywell Inc. Residential Div obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If T678A1445 has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like T678A1445?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for T678A1445?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.