Grundfos 595657, Aquastat 3/4″ Clip-On Thermostatic Control for Grundfos up Series Circulators, 105-115 Degrees F

Grundfos thermostat — Grundfos 595657, Aquastat 3/4″ Clip-On Thermostatic Control for Grundfos up Series Circulators, 105-115 Degrees F

The Grundfos thermostat (manufacturer part 595657) is a genuine OEM thermostat available at Cedars HVAC, your trusted source for heating, cooling, and refrigeration parts. We stock this thermostat for fast nationwide shipping from our Miami warehouse, so contractors, facility managers, and homeowners can get the exact replacement they need without delay.

Product details

For use with Grundfos UP Series single speed 115V domestic circulator pumps.

Pump turns on at 105°F and turns off at 115°F

Why buy from Cedars HVAC

• Genuine OEM Grundfos parts — not aftermarket substitutes
• Contractor-friendly pricing on every thermostat
• Fast nationwide shipping from Miami, FL
• Real HVAC expertise — call us at (305) 850-6693 if you need help confirming compatibility
• Financing available through Affirm and PayPal Pay Later

About this part

This Grundfos thermostat is part of our Pumps catalog. If you are sourcing thermostats for a fleet of equipment or a commercial install, contact us for volume pricing. For installation guidance, always refer to the manufacturer documentation and consult a licensed HVAC technician where required.

Shipping and returns

Most Grundfos thermostat orders ship the same or next business day from Cedars HVAC in Miami, Florida. Standard ground shipping covers the continental United States, and expedited options are available at checkout. Returns are accepted within 30 days on unopened, uninstalled parts — see our return policy for full details. International shipping is available on request; contact our team for a quote.

Frequently asked questions

Is this an OEM Grundfos part? Yes, the Grundfos thermostat we sell is a genuine Grundfos thermostat sourced through authorized channels. We do not substitute aftermarket parts unless specifically marked.

Will this thermostat fit my equipment? Compatibility depends on the model and revision of your existing equipment. If you need help confirming fitment for the Grundfos thermostat, call us at (305) 850-6693 with your unit model number and we will confirm before you order.

Can I get a contractor or wholesale discount? Yes. Cedars HVAC offers volume pricing for licensed HVAC contractors, property managers, and resellers. Request contractor pricing or call us to set up an account.

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