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HydroGuard XP Lead Free* Series LFMM430 Master Tempering Valves

Lead Free* Models Available


Master tempering valves available in five sizes that temper water as high as 208 gpm and as low as 3 gpm. All valves are listed to ASSE 1017 and certified to CSA B125. Valves feature advanced paraffin actuation technology for dynamic response and excellent low flow temperature control. The LFMM430 line also features a single-seat design for virtual shut down in the event of cold-water failure, triple-duty check stops with screens, and a 5°F (3°C) approach temperature for low temperature hot water supply. Valves are available in rough Lead Free* bronze and chrome plated finish.



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Size Model Lead Free†
All SizesLFMM431-1
All SizesLFMM431-2
All SizesLFMM431-3
All SizesLFMM431-4
All SizesLFMM432-1
All SizesLFMM432-2
All SizesLFMM432-3
All SizesLFMM432-4
All SizesLFMM433-1
All SizesLFMM433-2
All SizesLFMM433-3
All SizesLFMM433-4
All SizesLFMM434-1
All SizesLFMM434-2
All SizesLFMM434-3
All SizesLFMM434-4
All SizesLFMM435-1
All SizesLFMM435-2
All SizesLFMM435-3
All SizesLFMM435-4

† Indicates 3rd party certification that product contains less than one quarter of one percent (0.25%) lead by weight on its wetted surfaces contacted by consumable water.


ASSE 1017, CSA B125


Warranty Information

The Seller warrants that the equipment manufactured by it and covered by this order or contract is free from defects in material and workmanship and, without charge, equipment found to be defective in material or workmanship will be repaired, or at Seller's option replaced F.O.B. original point of shipment, if written notice of failure is received by Seller within one (1) year after date of shipment (unless specifically noted elsewhere), provided said equipment has been properly installed, operated in accordance with the Seller's instructions, and provided such defects are not due to abuse or decomposition by chemical or galvanic action. THIS EXPRESS WARRANTY IS IN LIEU OF AND EXCLUDES ALL OTHER WARRANTIES, GUARANTEES, OR REPRESENTATIONS, EXPRESS OF IMPLIED. THERE ARE NO IMPLIED WARRANTIES OF MERCHANTABILITY OR OF FITNESS FOR A PARTICULAR PURPOSE. The Seller assumes no responsibility for repairs made on the Seller’s equipment unless done by the Seller’s authorized personnel, or by written authority from the Seller. The Seller makes no guarantee with respect to material not manufactured by it.

HydroGuard T/P® e700 Series 5-year Limited Warranty The Seller warrants each HydroGuard T/P e700 series valve to be free from defects in material and workmanship if written notice of failure is received (with original sales invoice) within one year from the date of original shipment. The Seller further warrants the internal tempering mechanism to be free from defects in material and workmanship if written notice of failure is received (with original sales invoice) within a period of five years from the date of original shipment. In the event of such defects within the warranty periods, the Seller will, at its option, replace or recondition the product without charge. This shall constitute the sole and exclusive remedy for breach of warranty, and the Seller shall not be responsible for any incidental, special or consequential damages, including without limitation, lost profits or the cost of repairing or replacing other property which is damaged if this product does not work properly, damages or other costs resulting from labor charges, delays, vandalism, negligence, fouling caused by foreign material, damage from adverse water conditions, chemical, or any other circumstances over which the Seller has no control. This warranty shall be invalidated by any abuse, misuse, misapplication or improper installation of this product. THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Any implied warranties that are imposed by law are limited in duration to one year. Some states do not allow limitations on how long an implied warranty lasts, and some States do not allow the exclusion or limitation of incidental or consequential damages. Therefore the above limitations may not apply to you. This Limited Warranty gives you specific legal rights, and you may have other rights that vary from State to State. You should consult applicable laws to determine your rights.

How to Buy


Disclaimer: Powers product dimensions in U.S. customary units and metric are approximate and are provided for reference only. For precise measurements, please contact Powers Technical Service. Powers reserves the right to change or modify product design, construction, specifications, or materials without prior notice and without incurring any obligation to make such changes and modifications on Powers products previously or subsequently sold.

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*The wetted surface of this product contacted by consumable water contains less than 0.25% of lead by weight.