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Taco 006-B4 Replacement

The Taco 006-B4 is a 1/40 HP, 3250 RPM bronze domestic hot water recirculator (3/4″ sweat, 115V). Below: the specs we verify before quoting, and what to check on your nameplate.

Verified specifications

Horsepower1/40 HP
Speed3250 RPM
Voltage115V, single-phase, 60 Hz
Amps0.52A
MotorPSC, impedance-protected
BodyBronze
Connections3/4" sweat
Flow0–10 GPM
Head0–9 ft
Max pressure125 psi
Temperature range40–220°F
DutyDomestic hot water recirculation — higher-head DHW step up from the 003

Variants: 006-BC4 (1/2" sweat), 006-ST4 (SS NPT), 006-SC4-1 (SS union); -IFC and -PNP variants all real. "Z" suffix = zoning circulator (e.g. 006-Z).

006 vs 003: same 1/40 HP motor, more head — pick the 006 when the 003 stalls on a long run. See our 003-BC4 page.

Confirming the right replacement

Before we quote, compare these fields on your failed pump's nameplate. If any of them differ, send us a photo of the nameplate and we'll match it exactly rather than guessing:

Other Taco models

Need a Taco 006-B4?

Send the nameplate off your failed unit. We'll confirm the match and quote the 006-B4 or a verified equivalent with availability and lead time.

Quote this pump